#15D28A
Closest named color: Seaweed (#18D17B). oklch(76.3% 0.171 159.4), rgb(21, 210, 138).
Aa
Black text reads best on this color (10.61:1).
About this color
#15D28A is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.171 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.018 away. Black text reads best on it, at 10.61:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.61:1 |
| White text | 1.97:1 |
Values
| HEX | #15D28A |
| RGB | rgb(21, 210, 138) |
| HSL | hsl(157, 82%, 45%) |
| OKLCH | oklch(76.3% 0.171 159.4) |
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 #15D28A | 1.97:1 | Fails | Lc -41.9 | Non-text elements, placeholder text |
| Black text on #15D28A | 10.61:1 | AAA | Lc 66.4 | Content text, not long reading |
| #15D28A text on white | 1.97:1 | Fails | Lc 37.5 | Non-text elements, placeholder text |
| #15D28A text on black | 10.61:1 | AAA | Lc -64.9 | 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
#CFF5DE
oklch(93.7% 0.05 158.7)
-
Step 200
200
#A1EDC3
oklch(88.5% 0.095 159.5)
-
Step 300
300 (this color)
#15D28A
oklch(76.3% 0.171 159.4)
-
Step 400
400
#00BE7B
oklch(70.7% 0.162 159.2)
-
Step 500
500
#00A369
oklch(63.1% 0.144 159.3)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#15D28A 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) | #D0C185 | 0.160 |
| Deuteranopia (no green cones) | #BBB28F | 0.156 |
| Tritanopia (no blue cones) | #00D1BF | 0.074 |
| Achromatopsia (no color) | #B8B8B8 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15D28A
#15D28A
oklch(76.3% 0.171 159.4)
- #F783D5
#F783D5
oklch(76.4% 0.17 339.4)
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 #15D28A, closest first.
No curated palette has a color within ΔE 0.04 of #15D28A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.018
- Emerald #06D6A0 ΔE 0.028
- Greenblue #23C48B ΔE 0.041
- Aqua Green #12E193 ΔE 0.041
- Algae Green #21C36F ΔE 0.046
- Dark Mint #48C072 ΔE 0.050
- Dark Mint Green #20C073 ΔE 0.052
- Green Blue #01C08D ΔE 0.055
Use #15D28A 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.