#A4D990
Closest named color: Pale Olive Green (#B1D27B). oklch(83.1% 0.113 137.4), rgb(164, 217, 144).
Aa
Black text reads best on this color (12.90:1).
About this color
#A4D990 is a light, moderately saturated green. In OKLCH its lightness is 83%, its chroma 0.113 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Olive Green (#B1D27B), ΔE 0.026 away. Black text reads best on it, at 12.90:1.
| Hue family | Greens |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Pale Olive Green (#B1D27B) |
| Black text | 12.90:1 |
| White text | 1.62:1 |
Values
| HEX | #A4D990 |
| RGB | rgb(164, 217, 144) |
| HSL | hsl(104, 49%, 71%) |
| OKLCH | oklch(83.1% 0.113 137.4) |
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 #A4D990 | 1.62:1 | Fails | Lc -31.5 | Non-text elements, placeholder text |
| Black text on #A4D990 | 12.90:1 | AAA | Lc 75.9 | Fine for body text |
| #A4D990 text on white | 1.62:1 | Fails | Lc 27.9 | Dividers and decoration only |
| #A4D990 text on black | 12.90:1 | AAA | Lc -75.0 | 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
#F1F8EE
oklch(97.1% 0.015 136.1)
-
Step 100
100
#E0EFDA
oklch(93.5% 0.032 136.6)
-
Step 200
200
#C6E3BB
oklch(88.4% 0.062 137.1)
-
Step 300
300 (this color)
#A4D990
oklch(83.1% 0.113 137.4)
-
Step 400
400
#64B93C
oklch(70.7% 0.18 137.3)
-
Step 500
500
#46A200
oklch(63.1% 0.192 137.3)
-
Step 600
600
#3A8800
oklch(55.5% 0.169 137.3)
-
Step 700
700
#2F7300
oklch(49.2% 0.15 137.5)
-
Step 800
800
#255E00
oklch(42.7% 0.13 137.5)
-
Step 900
900
#1E4E00
oklch(37.5% 0.114 137.3)
-
Step 950
950
#0F2F00
oklch(27% 0.083 137.4)
#A4D990 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) | #DECE8B | 0.076 |
| Deuteranopia (no green cones) | #D6C994 | 0.076 |
| Tritanopia (no blue cones) | #A2D4C6 | 0.077 |
| Achromatopsia (no color) | #CBCBCB | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4D990
#A4D990
oklch(83.1% 0.113 137.4)
- #E6B0F8
#E6B0F8
oklch(83% 0.114 317.5)
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 #A4D990, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Olive Green #B1D27B ΔE 0.026
- Hospital Green #9BE5AA ΔE 0.037
- Light Grey Green #B7E1A1 ΔE 0.037
- Pale Olive #B9CC81 ΔE 0.038
- Greenish Tan #BCCB7A ΔE 0.043
- Light Moss Green #A6C875 ΔE 0.047
- Greenish Beige #C9D179 ΔE 0.048
- Light Green #90EE90 ΔE 0.059
Use #A4D990 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.