#A4D439
Closest named color: Yellow Green (#9ACD32). oklch(80.8% 0.184 125.6), rgb(164, 212, 57).
Aa
Black text reads best on this color (12.05:1).
About this color
#A4D439 is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.184 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.024 away. Black text reads best on it, at 12.05:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 12.05:1 |
| White text | 1.74:1 |
Values
| HEX | #A4D439 |
| RGB | rgb(164, 212, 57) |
| HSL | hsl(79, 64%, 53%) |
| OKLCH | oklch(80.8% 0.184 125.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A4D439 | 1.74:1 | Fails | Lc -35.4 | Non-text elements, placeholder text |
| Black text on #A4D439 | 12.05:1 | AAA | Lc 72.3 | Content text, not long reading |
| #A4D439 text on white | 1.74:1 | Fails | Lc 31.5 | Non-text elements, placeholder text |
| #A4D439 text on black | 12.05:1 | AAA | Lc -71.2 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F1F9E7
oklch(97.1% 0.025 126.5)
-
Step 100
100
#E1F1CB
oklch(93.6% 0.053 126)
-
Step 200
200
#C9E69B
oklch(88.6% 0.103 125.6)
-
Step 300
300 (this color)
#A4D439
oklch(80.8% 0.184 125.6)
-
Step 400
400
#86B300
oklch(70.8% 0.179 125.6)
-
Step 500
500
#729900
oklch(63.1% 0.16 125.6)
-
Step 600
600
#608100
oklch(55.7% 0.141 125.5)
-
Step 700
700
#506C00
oklch(49.1% 0.124 125.4)
-
Step 800
800
#415900
oklch(42.8% 0.109 125.6)
-
Step 900
900
#354A00
oklch(37.7% 0.096 125.9)
-
Step 950
950
#1E2C00
oklch(27% 0.069 126.1)
#A4D439 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #DFC619 | 0.081 |
| Deuteranopia (no green cones) | #D9C347 | 0.085 |
| Tritanopia (no blue cones) | #ABCAB6 | 0.148 |
| Achromatopsia (no color) | #C4C4C4 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4D439
#A4D439
oklch(80.8% 0.184 125.6)
- #D3ACFF
#D3ACFF
oklch(80.8% 0.121 305.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A4D439, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.024
- Slime Green #99CC04 ΔE 0.031
- Kiwi Green #8EE53F ΔE 0.048
- Pea #A4BF20 ΔE 0.055
- Fresh Green #69D84F ΔE 0.056
- Apple Green #76CD26 ΔE 0.058
- Apple #6ECB3C ΔE 0.065
- Pale Olive Green #B1D27B ΔE 0.066
Use #A4D439 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.