#99E189
Closest named color: Light Green (#90EE90). oklch(84.1% 0.139 140), rgb(153, 225, 137).
Aa
Black text reads best on this color (13.48:1).
About this color
#99E189 is a light, moderately saturated green. In OKLCH its lightness is 84%, its chroma 0.139 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Green (#90EE90), ΔE 0.034 away. Black text reads best on it, at 13.48:1.
| Hue family | Greens |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Light Green (#90EE90) |
| Black text | 13.48:1 |
| White text | 1.55:1 |
Values
| HEX | #99E189 |
| RGB | rgb(153, 225, 137) |
| HSL | hsl(109, 59%, 71%) |
| OKLCH | oklch(84.1% 0.139 140) |
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 #99E189 | 1.55:1 | Fails | Lc -28.8 | Dividers and decoration only |
| Black text on #99E189 | 13.48:1 | AAA | Lc 78.3 | Fine for body text |
| #99E189 text on white | 1.55:1 | Fails | Lc 25.4 | Dividers and decoration only |
| #99E189 text on black | 13.48:1 | AAA | Lc -77.6 | Fine for body text |
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
#EFF9ED
oklch(97.1% 0.019 140.5)
-
Step 100
100
#DCF1D8
oklch(93.6% 0.04 140.7)
-
Step 200
200
#BFE6B6
oklch(88.5% 0.077 139.8)
-
Step 300
300 (this color)
#99E189
oklch(84.1% 0.139 140)
-
Step 400
400
#40BF13
oklch(70.7% 0.222 140)
-
Step 500
500
#32A400
oklch(63% 0.202 139.9)
-
Step 600
600
#288A00
oklch(55.5% 0.179 140)
-
Step 700
700
#217400
oklch(49% 0.157 139.9)
-
Step 800
800
#196000
oklch(42.8% 0.138 140)
-
Step 900
900
#145000
oklch(37.8% 0.121 139.9)
-
Step 950
950
#083000
oklch(27.1% 0.087 140)
#99E189 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) | #E6D383 | 0.098 |
| Deuteranopia (no green cones) | #DBCD8E | 0.096 |
| Tritanopia (no blue cones) | #94DCCB | 0.091 |
| Achromatopsia (no color) | #CFCFCF | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99E189
#99E189
oklch(84.1% 0.139 140)
- #F0AFFF
#F0AFFF
oklch(84.1% 0.128 319.9)
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 #99E189, closest first.
No curated palette has a color within ΔE 0.04 of #99E189.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Green #90EE90 ΔE 0.034
- Hospital Green #9BE5AA ΔE 0.039
- Pale Olive Green #B1D27B ΔE 0.043
- Light Grey Green #B7E1A1 ΔE 0.049
- Pale Olive #B9CC81 ΔE 0.062
- Greenish Beige #C9D179 ΔE 0.064
- Light Moss Green #A6C875 ΔE 0.064
- Seafoam Green #7AF9AB ΔE 0.064
Use #99E189 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.