#99D581
Closest named color: Pale Olive Green (#B1D27B). oklch(81.2% 0.129 137.2), rgb(153, 213, 129).
Aa
Black text reads best on this color (12.18:1).
About this color
#99D581 is a light, moderately saturated green. In OKLCH its lightness is 81%, its chroma 0.129 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 0.027 away. Black text reads best on it, at 12.18:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Pale Olive Green (#B1D27B) |
| Black text | 12.18:1 |
| White text | 1.72:1 |
Values
| HEX | #99D581 |
| RGB | rgb(153, 213, 129) |
| HSL | hsl(103, 50%, 67%) |
| OKLCH | oklch(81.2% 0.129 137.2) |
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 #99D581 | 1.72:1 | Fails | Lc -34.9 | Non-text elements, placeholder text |
| Black text on #99D581 | 12.18:1 | AAA | Lc 72.8 | Content text, not long reading |
| #99D581 text on white | 1.72:1 | Fails | Lc 31.0 | Non-text elements, placeholder text |
| #99D581 text on black | 12.18:1 | AAA | Lc -71.8 | 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
#F0F8ED
oklch(97% 0.017 137)
-
Step 100
100
#DFF0D8
oklch(93.6% 0.037 136.4)
-
Step 200
200
#C3E5B7
oklch(88.5% 0.071 137.6)
-
Step 300
300 (this color)
#99D581
oklch(81.2% 0.129 137.2)
-
Step 400
400
#59BC1B
oklch(70.7% 0.206 137.1)
-
Step 500
500
#47A200
oklch(63.1% 0.192 137.2)
-
Step 600
600
#3B8800
oklch(55.6% 0.169 137.1)
-
Step 700
700
#307300
oklch(49.2% 0.15 137.3)
-
Step 800
800
#265E00
oklch(42.7% 0.13 137.2)
-
Step 900
900
#1F4E00
oklch(37.6% 0.114 137)
-
Step 950
950
#0F2F00
oklch(27% 0.083 137.4)
#99D581 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) | #DAC97B | 0.085 |
| Deuteranopia (no green cones) | #D1C386 | 0.085 |
| Tritanopia (no blue cones) | #97CFC0 | 0.090 |
| Achromatopsia (no color) | #C5C5C5 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99D581
#99D581
oklch(81.2% 0.129 137.2)
- #E3A7F8
#E3A7F8
oklch(81.2% 0.128 317.1)
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 #99D581, closest first.
No curated palette has a color within ΔE 0.04 of #99D581.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Olive Green #B1D27B ΔE 0.027
- Light Moss Green #A6C875 ΔE 0.034
- Pale Olive #B9CC81 ΔE 0.044
- Greenish Tan #BCCB7A ΔE 0.046
- Hospital Green #9BE5AA ΔE 0.056
- Light Olive #ACBF69 ΔE 0.058
- Greenish Beige #C9D179 ΔE 0.058
- Tan Green #A9BE70 ΔE 0.060
Use #99D581 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.