#99ECA9
Closest named color: Hospital Green (#9BE5AA). oklch(87.3% 0.123 149.4), rgb(153, 236, 169).
Aa
Black text reads best on this color (14.92:1).
About this color
#99ECA9 is a light, moderately saturated green. In OKLCH its lightness is 87%, its chroma 0.123 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.020 away. Black text reads best on it, at 14.92:1.
| Hue family | Greens |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Hospital Green (#9BE5AA) |
| Black text | 14.92:1 |
| White text | 1.40:1 |
Values
| HEX | #99ECA9 |
| RGB | rgb(153, 236, 169) |
| HSL | hsl(132, 69%, 76%) |
| OKLCH | oklch(87.3% 0.123 149.4) |
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 #99ECA9 | 1.40:1 | Fails | Lc -22.3 | Dividers and decoration only |
| Black text on #99ECA9 | 14.92:1 | AAA | Lc 84.1 | Fine for body text |
| #99ECA9 text on white | 1.40:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #99ECA9 text on black | 14.92:1 | AAA | Lc -83.9 | 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 200.
-
Step 50
50
#ECFAEE
oklch(97.1% 0.022 149.7)
-
Step 100
100
#D6F3DA
oklch(93.6% 0.045 149.2)
-
Step 200
200 (this color)
#99ECA9
oklch(87.3% 0.123 149.4)
-
Step 300
300
#6DDC87
oklch(80.8% 0.157 149.4)
-
Step 400
400
#00C156
oklch(70.8% 0.198 149.4)
-
Step 500
500
#00A549
oklch(63.1% 0.176 149.5)
-
Step 600
600
#008B3C
oklch(55.6% 0.155 149.4)
-
Step 700
700
#007531
oklch(49.1% 0.138 149.3)
-
Step 800
800
#006027
oklch(42.7% 0.12 149.3)
-
Step 900
900
#005020
oklch(37.7% 0.105 149.6)
-
Step 950
950
#003010
oklch(27% 0.075 149.4)
#99ECA9 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) | #EDDFA5 | 0.103 |
| Deuteranopia (no green cones) | #E0D6AD | 0.101 |
| Tritanopia (no blue cones) | #8DE9DA | 0.068 |
| Achromatopsia (no color) | #D9D9D9 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99ECA9
#99ECA9
oklch(87.3% 0.123 149.4)
- #FFBAF9
#FFBAF9
oklch(87.2% 0.113 329.5)
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 #99ECA9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hospital Green #9BE5AA ΔE 0.020
- Light Green #90EE90 ΔE 0.035
- Seafoam #80F9AD ΔE 0.038
- Light Sage #BCECAC ΔE 0.039
- Light Grey Green #B7E1A1 ΔE 0.039
- Seafoam Green #7AF9AB ΔE 0.041
- Light Blue Green #7EFBB3 ΔE 0.041
- Light Mint Green #A6FBB2 ΔE 0.043
Use #99ECA9 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.