#55C57E
Closest named color: Soft Green (#6FC276). oklch(74% 0.146 153.1), rgb(85, 197, 126).
Aa
Black text reads best on this color (9.67:1).
About this color
#55C57E is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.146 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.021 away. Black text reads best on it, at 9.67:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 9.67:1 |
| White text | 2.17:1 |
Values
| HEX | #55C57E |
| RGB | rgb(85, 197, 126) |
| HSL | hsl(142, 49%, 55%) |
| OKLCH | oklch(74% 0.146 153.1) |
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 #55C57E | 2.17:1 | Fails | Lc -47.1 | Large or bold text, headings |
| Black text on #55C57E | 9.67:1 | AAA | Lc 61.6 | Content text, not long reading |
| #55C57E text on white | 2.17:1 | Fails | Lc 42.4 | Non-text elements, placeholder text |
| #55C57E text on black | 9.67:1 | AAA | Lc -59.8 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DDEFE2
oklch(93.5% 0.026 154.5)
-
Step 200
200
#C1E3CA
oklch(88.4% 0.049 153.4)
-
Step 300
300
#93D2A5
oklch(80.9% 0.09 153)
-
Step 400
400 (this color)
#55C57E
oklch(74% 0.146 153.1)
-
Step 500
500
#00A457
oklch(63% 0.162 153)
-
Step 600
600
#008A49
oklch(55.5% 0.142 153.3)
-
Step 700
700
#00743C
oklch(49% 0.126 153.1)
-
Step 800
800
#005F30
oklch(42.6% 0.109 153.1)
-
Step 900
900
#005027
oklch(37.8% 0.098 152.9)
-
Step 950
950
#003015
oklch(27.1% 0.07 152.9)
#55C57E 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) | #C5B679 | 0.127 |
| Deuteranopia (no green cones) | #B6AC82 | 0.124 |
| Tritanopia (no blue cones) | #34C3B3 | 0.075 |
| Achromatopsia (no color) | #B0B0B0 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55C57E
#55C57E
oklch(74% 0.146 153.1)
- #E186D2
#E186D2
oklch(74.1% 0.146 333.2)
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 #55C57E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.021
- Dark Mint #48C072 ΔE 0.022
- Greenblue #23C48B ΔE 0.028
- Algae Green #21C36F ΔE 0.036
- Dark Mint Green #20C073 ΔE 0.036
- Green Blue #01C08D ΔE 0.040
- Seaweed #18D17B ΔE 0.041
- Boring Green #63B365 ΔE 0.050
Use #55C57E 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.