#99D991
Closest named color: Pale Olive Green (#B1D27B). oklch(82.4% 0.118 141.8), rgb(153, 217, 145).
Aa
Black text reads best on this color (12.68:1).
About this color
#99D991 is a light, moderately saturated green. In OKLCH its lightness is 82%, its chroma 0.118 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Olive Green (#B1D27B), ΔE 0.033 away. Black text reads best on it, at 12.68:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Pale Olive Green (#B1D27B) |
| Black text | 12.68:1 |
| White text | 1.65:1 |
Values
| HEX | #99D991 |
| RGB | rgb(153, 217, 145) |
| HSL | hsl(113, 49%, 71%) |
| OKLCH | oklch(82.4% 0.118 141.8) |
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 #99D991 | 1.65:1 | Fails | Lc -32.5 | Non-text elements, placeholder text |
| Black text on #99D991 | 12.68:1 | AAA | Lc 75.0 | Content text, not long reading |
| #99D991 text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #99D991 text on black | 12.68:1 | AAA | Lc -74.0 | 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
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DEF0DB
oklch(93.6% 0.034 141.2)
-
Step 200
200
#C1E5BD
oklch(88.5% 0.066 142.3)
-
Step 300
300 (this color)
#99D991
oklch(82.4% 0.118 141.8)
-
Step 400
400
#4FBC43
oklch(70.6% 0.189 141.7)
-
Step 500
500
#19A600
oklch(63% 0.211 141.7)
-
Step 600
600
#138C00
oklch(55.6% 0.186 141.8)
-
Step 700
700
#0E7600
oklch(49.2% 0.165 141.8)
-
Step 800
800
#0A6100
oklch(42.8% 0.143 141.7)
-
Step 900
900
#075100
oklch(37.8% 0.126 141.7)
-
Step 950
950
#023000
oklch(26.9% 0.09 141.9)
#99D991 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) | #DDCD8C | 0.088 |
| Deuteranopia (no green cones) | #D3C795 | 0.086 |
| Tritanopia (no blue cones) | #94D5C6 | 0.075 |
| Achromatopsia (no color) | #C9C9C9 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99D991
#99D991
oklch(82.4% 0.118 141.8)
- #E9ACF3
#E9ACF3
oklch(82.4% 0.117 321.7)
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 #99D991, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Olive Green #B1D27B ΔE 0.033
- Hospital Green #9BE5AA ΔE 0.038
- Pale Olive #B9CC81 ΔE 0.046
- Light Moss Green #A6C875 ΔE 0.047
- Light Grey Green #B7E1A1 ΔE 0.047
- Greenish Tan #BCCB7A ΔE 0.050
- Light Green #90EE90 ΔE 0.058
- Greenish Beige #C9D179 ΔE 0.058
Use #99D991 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.