#09D488
Closest named color: Seaweed (#18D17B). oklch(76.7% 0.177 158.6), rgb(9, 212, 136).
Aa
Black text reads best on this color (10.78:1).
About this color
#09D488 is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.177 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.016 away. Black text reads best on it, at 10.78:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.78:1 |
| White text | 1.94:1 |
Values
| HEX | #09D488 |
| RGB | rgb(9, 212, 136) |
| HSL | hsl(158, 92%, 43%) |
| OKLCH | oklch(76.7% 0.177 158.6) |
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 #09D488 | 1.94:1 | Fails | Lc -41.0 | Non-text elements, placeholder text |
| Black text on #09D488 | 10.78:1 | AAA | Lc 67.2 | Content text, not long reading |
| #09D488 text on white | 1.94:1 | Fails | Lc 36.7 | Non-text elements, placeholder text |
| #09D488 text on black | 10.78:1 | AAA | Lc -65.8 | 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
#E9FBF0
oklch(97.2% 0.024 159.2)
-
Step 100
100
#CEF5DD
oklch(93.6% 0.052 158.2)
-
Step 200
200
#A0EDC1
oklch(88.4% 0.098 158.6)
-
Step 300
300 (this color)
#09D488
oklch(76.7% 0.177 158.6)
-
Step 400
400
#00BE79
oklch(70.6% 0.164 158.6)
-
Step 500
500
#00A367
oklch(63% 0.146 158.5)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007348
oklch(49% 0.113 158.9)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#004F30
oklch(37.7% 0.087 158.9)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#09D488 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) | #D2C283 | 0.164 |
| Deuteranopia (no green cones) | #BDB48D | 0.159 |
| Tritanopia (no blue cones) | #00D3C0 | 0.078 |
| Achromatopsia (no color) | #BABABA | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09D488
#09D488
oklch(76.7% 0.177 158.6)
- #FA82D9
#FA82D9
oklch(76.8% 0.177 338.7)
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 #09D488, closest first.
No curated palette has a color within ΔE 0.04 of #09D488.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.016
- Emerald #06D6A0 ΔE 0.031
- Aqua Green #12E193 ΔE 0.036
- Greenblue #23C48B ΔE 0.048
- Algae Green #21C36F ΔE 0.049
- Dark Mint #48C072 ΔE 0.054
- Weird Green #3AE57F ΔE 0.056
- Dark Mint Green #20C073 ΔE 0.056
Use #09D488 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.