Lime 4
lime-4 · #A9E34B
HEX
#A9E34B
RGB
rgb(169, 227, 75)
CMYK
cmyk(26%, 0%, 67%, 11%)
HSL
hsl(83, 73%, 59%)
LAB
lab(83.9, -40.6, 65.4)
What is Lime 4?
Lime 4 is the lime-4 reference in the Open Color. Its sRGB value is #A9E34B (rgb 169, 227, 75). It sits in the green family. Open Color, an open-source color palette by Heeyeun designed for UI work. 13 hues across 10 shades (0 to 9) tuned for screen legibility and accessibility. See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Lime 4 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Lime 4
An 11-step tonal scale derived from Lime 4 (#A9E34B). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.
50
#F8FDF1
#F8FDF1
100
#F1FBE2
#F1FBE2
200
#E3F6C5
#E3F6C5
300
#D4F1A5
#D4F1A5
400
#BFEA78
#BFEA78
500
#A9E34B
#A9E34B
600
#90C140
#90C140
700
#6E9431
#6E9431
800
#4C6622
#4C6622
900
#2A3913
#2A3913
950
#141B09
#141B09
Lighter tints (mixed with white)
15%
#B9E77E
30%
#C8ECA0
45%
#D5F0BA
60%
#E2F4D0
75%
#EDF8E3
Darker shades (mixed with black)
15%
#9DD345
30%
#90C23F
45%
#81AE37
60%
#6F972F
75%
#597924
Color harmonies for Lime 4
Classic color-theory harmonies derived from rotating the hue of Lime 4. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#A9E34B
#A9E34B
#854AE3
#854AE3
Triadic
Three colors 120° apart
#A9E34B
#A9E34B
#4AA8E3
#4AA8E3
#E34AA8
#E34AA8
Analogous
Two neighbors ±30° on the wheel
#E3D14A
#E3D14A
#A9E34B
#A9E34B
#5CE34A
#5CE34A
Split-complementary
Base + two colors flanking its complement
#A9E34B
#A9E34B
#4A5CE3
#4A5CE3
#D14AE3
#D14AE3
Tetradic
Two complementary pairs
#A9E34B
#A9E34B
#4AE385
#4AE385
#854AE3
#854AE3
#E34AA8
#E34AA8
Square
Four colors evenly spaced 90° apart
#A9E34B
#A9E34B
#4AE3D1
#4AE3D1
#854AE3
#854AE3
#E34A5C
#E34A5C
Lime 4 in every color space
Full conversion of Lime 4 across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.
HEX
#A9E34B
RGB
rgb(169, 227, 75)
CMYK
cmyk(26%, 0%, 67%, 11%)
HSL
hsl(83, 73%, 59%)
HSV
hsv(83, 67%, 89%)
HWB
hwb(83 29% 11%)
CIE Lab
lab(83.9 -40.6 65.4)
OKLCH
oklch(84.7% 0.188 128.0)
XYZ (D65)
xyz(45.10, 63.88, 16.61)
Copy-ready code for Lime 4
Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.
CSS
color: #A9E34B;
background-color: #A9E34B;CSS variable
:root {
--color-lime-4: #A9E34B;
}Tailwind config
// tailwind.config.js
colors: {
'lime-4': '#A9E34B',
}Sass
$color-lime-4: #A9E34B;Swift UIColor
UIColor(red: 0.663, green: 0.890, blue: 0.294, alpha: 1.0)Android XML
<color name="lime-4">#A9E34B</color>Closest match in every color system
The nearest Lime 4 equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.
Closest in Open Color
Top 6 ΔE2000-closest entries within the same collection.
Closest Pantone matches
Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.
Closest RAL Classic matches
Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.
RAL 1016
#EDFF21
Sulfur yellow
RAL 1018
#F8F32B
Zinc yellow
RAL 6019
#BDECB6
Pastel green
RAL 1026
#FFFF00
Luminous yellow
RAL 1000
#BEBD7F
Green beige
RAL 1014
#E1CC4F
Ivory
FAQ about Lime 4
What is the HEX code for Lime 4?
Lime 4 (lime-4) has the HEX code #A9E34B. In RGB it is rgb(169, 227, 75), and in CMYK it is cmyk(26%, 0%, 67%, 11%).
What is the OKLCH value of Lime 4?
Lime 4 converts to oklch(0.847 0.188 128.0). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Lime 4 accessible for body text?
Used as a background, Lime 4 has a contrast ratio of 13.78:1 with black text and 1.52:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.
What is the closest Pantone to Lime 4?
The closest Pantone reference to Lime 4 by ΔE2000 perceptual distance is Pantone 367 C (#A4D65E). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Lime 4?
The closest RAL Classic reference to Lime 4 by ΔE2000 distance is RAL 1016 (Sulfur yellow, #EDFF21). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Lime 4?
The complementary color (180° opposite on the HSL color wheel) of Lime 4 is #854AE3. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
Open Color (Yeun)
Open Color, an open-source color palette by Heeyeun designed for UI designers and developers. 13 hues across 10 shades. Use as a designer-friendly palette alternative to Tailwind. Values are intentionally chosen for UI legibility and accessibility.
- Source type
- derived
- Confidence
- high
- License
- MIT
- Last reviewed
- 2026-05-24
Workflow tags
Open Color values are tuned for digital UI. For print, treat as a starting point and proof against the substrate.