#09D18D
Closest named color: Seaweed (#18D17B). oklch(76% 0.169 160.8), rgb(9, 209, 141).
Aa
Black text reads best on this color (10.51:1).
About this color
#09D18D is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.169 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.023 away. Black text reads best on it, at 10.51:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.51:1 |
| White text | 1.99:1 |
Values
| HEX | #09D18D |
| RGB | rgb(9, 209, 141) |
| HSL | hsl(160, 92%, 43%) |
| OKLCH | oklch(76% 0.169 160.8) |
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 #09D18D | 1.99:1 | Fails | Lc -42.4 | Non-text elements, placeholder text |
| Black text on #09D18D | 10.51:1 | AAA | Lc 65.9 | Content text, not long reading |
| #09D18D text on white | 1.99:1 | Fails | Lc 38.0 | Non-text elements, placeholder text |
| #09D18D text on black | 10.51:1 | AAA | Lc -64.4 | 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
#E9FAF0
oklch(97% 0.022 160.2)
-
Step 100
100
#CFF5DF
oklch(93.7% 0.049 159.9)
-
Step 200
200
#A1EDC5
oklch(88.6% 0.094 160.7)
-
Step 300
300 (this color)
#09D18D
oklch(76% 0.169 160.8)
-
Step 400
400
#00BE7F
oklch(70.8% 0.158 160.7)
-
Step 500
500
#00A36D
oklch(63.2% 0.141 160.9)
-
Step 600
600
#00895B
oklch(55.6% 0.124 161)
-
Step 700
700
#00734C
oklch(49.1% 0.109 161.2)
-
Step 800
800
#005E3D
oklch(42.6% 0.095 160.9)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#09D18D 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) | #CEC089 | 0.160 |
| Deuteranopia (no green cones) | #BAB192 | 0.157 |
| Tritanopia (no blue cones) | #00D0BF | 0.071 |
| Achromatopsia (no color) | #B7B7B7 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09D18D
#09D18D
oklch(76% 0.169 160.8)
- #F782D1
#F782D1
oklch(76.1% 0.169 341)
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 #09D18D, closest first.
No curated palette has a color within ΔE 0.04 of #09D18D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.023
- Emerald #06D6A0 ΔE 0.025
- Greenblue #23C48B ΔE 0.037
- Aqua Green #12E193 ΔE 0.045
- Algae Green #21C36F ΔE 0.046
- Dark Mint #48C072 ΔE 0.049
- Dark Mint Green #20C073 ΔE 0.050
- Green Blue #01C08D ΔE 0.050
Use #09D18D 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.