#55CE71
Closest named color: Seaweed (#18D17B). oklch(76.1% 0.17 148.5), rgb(85, 206, 113).
Aa
Black text reads best on this color (10.45:1).
About this color
#55CE71 is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.170 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.024 away. Black text reads best on it, at 10.45:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.45:1 |
| White text | 2.00:1 |
Values
| HEX | #55CE71 |
| RGB | rgb(85, 206, 113) |
| HSL | hsl(134, 55%, 57%) |
| OKLCH | oklch(76.1% 0.17 148.5) |
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 #55CE71 | 2.00:1 | Fails | Lc -43.1 | Non-text elements, placeholder text |
| Black text on #55CE71 | 10.45:1 | AAA | Lc 65.3 | Content text, not long reading |
| #55CE71 text on white | 2.00:1 | Fails | Lc 38.6 | Non-text elements, placeholder text |
| #55CE71 text on black | 10.45:1 | AAA | Lc -63.8 | 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
#ECFAED
oklch(97.1% 0.023 147.5)
-
Step 100
100
#D4F4D8
oklch(93.7% 0.05 148.7)
-
Step 200
200
#AEEBB7
oklch(88.5% 0.094 148.7)
-
Step 300
300 (this color)
#55CE71
oklch(76.1% 0.17 148.5)
-
Step 400
400
#00C151
oklch(70.8% 0.202 148.5)
-
Step 500
500
#00A544
oklch(63% 0.18 148.5)
-
Step 600
600
#008B38
oklch(55.6% 0.159 148.5)
-
Step 700
700
#00752E
oklch(49.1% 0.14 148.5)
-
Step 800
800
#006024
oklch(42.7% 0.122 148.4)
-
Step 900
900
#00501D
oklch(37.6% 0.108 148.5)
-
Step 950
950
#00300E
oklch(27% 0.077 148.3)
#55CE71 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) | #D0BE6A | 0.138 |
| Deuteranopia (no green cones) | #C0B377 | 0.135 |
| Tritanopia (no blue cones) | #36CAB8 | 0.098 |
| Achromatopsia (no color) | #B7B7B7 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55CE71
#55CE71
oklch(76.1% 0.17 148.5)
- #EA86E7
#EA86E7
oklch(76% 0.171 328.2)
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 #55CE71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.024
- Soft Green #6FC276 ΔE 0.040
- Dark Mint #48C072 ΔE 0.043
- Algae Green #21C36F ΔE 0.044
- Apple #6ECB3C ΔE 0.046
- Fresh Green #69D84F ΔE 0.051
- Dark Mint Green #20C073 ΔE 0.052
- Greenblue #23C48B ΔE 0.054
Use #55CE71 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.