#15E4A9
Closest named color: Aqua Marine (#2EE8BB). oklch(81.6% 0.167 165.7), rgb(21, 228, 169).
Aa
Black text reads best on this color (12.70:1).
About this color
#15E4A9 is a light, vivid green. In OKLCH its lightness is 82%, its chroma 0.167 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.026 away. Black text reads best on it, at 12.70:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.70:1 |
| White text | 1.65:1 |
Values
| HEX | #15E4A9 |
| RGB | rgb(21, 228, 169) |
| HSL | hsl(163, 83%, 49%) |
| OKLCH | oklch(81.6% 0.167 165.7) |
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 #15E4A9 | 1.65:1 | Fails | Lc -31.8 | Non-text elements, placeholder text |
| Black text on #15E4A9 | 12.70:1 | AAA | Lc 75.6 | Fine for body text |
| #15E4A9 text on white | 1.65:1 | Fails | Lc 28.2 | Dividers and decoration only |
| #15E4A9 text on black | 12.70:1 | AAA | Lc -74.7 | 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
#E8FBF2
oklch(97.2% 0.023 165.9)
-
Step 100
100
#CDF5E2
oklch(93.7% 0.049 165)
-
Step 200
200
#9CEDCB
oklch(88.4% 0.093 166)
-
Step 300
300 (this color)
#15E4A9
oklch(81.6% 0.167 165.7)
-
Step 400
400
#00BD8B
oklch(70.8% 0.147 165.8)
-
Step 500
500
#00A276
oklch(63.1% 0.132 165.5)
-
Step 600
600
#008863
oklch(55.6% 0.116 165.8)
-
Step 700
700
#007353
oklch(49.2% 0.103 165.6)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#15E4A9 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) | #DFD3A6 | 0.166 |
| Deuteranopia (no green cones) | #C8C3AD | 0.159 |
| Tritanopia (no blue cones) | #00E5D4 | 0.059 |
| Achromatopsia (no color) | #C9C9C9 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15E4A9
#15E4A9
oklch(81.6% 0.167 165.7)
- #FF9FD5
#FF9FD5
oklch(81.5% 0.131 345.6)
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 #15E4A9, closest first.
No curated palette has a color within ΔE 0.04 of #15E4A9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.026
- Aqua Green #12E193 ΔE 0.028
- Emerald #06D6A0 ΔE 0.039
- Weird Green #3AE57F ΔE 0.053
- Bright Teal #01F9C6 ΔE 0.060
- Turquoise #40E0D0 ΔE 0.062
- Greenish Turquoise #00FBB0 ΔE 0.063
- Seaweed #18D17B ΔE 0.068
Use #15E4A9 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.