#55C688
Closest named color: Soft Green (#6FC276). oklch(74.5% 0.138 156.6), rgb(85, 198, 136).
Aa
Black text reads best on this color (9.81:1).
About this color
#55C688 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.138 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.026 away. Black text reads best on it, at 9.81:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 9.81:1 |
| White text | 2.13:1 |
Values
| HEX | #55C688 |
| RGB | rgb(85, 198, 136) |
| HSL | hsl(147, 50%, 55%) |
| OKLCH | oklch(74.5% 0.138 156.6) |
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 #55C688 | 2.13:1 | Fails | Lc -46.3 | Large or bold text, headings |
| Black text on #55C688 | 9.81:1 | AAA | Lc 62.3 | Content text, not long reading |
| #55C688 text on white | 2.13:1 | Fails | Lc 41.7 | Non-text elements, placeholder text |
| #55C688 text on black | 9.81:1 | AAA | Lc -60.5 | 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 400.
-
Step 50
50
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DDEFE3
oklch(93.5% 0.025 156.7)
-
Step 200
200
#C0E3CC
oklch(88.4% 0.048 156.5)
-
Step 300
300
#92D2AA
oklch(81% 0.086 156.5)
-
Step 400
400 (this color)
#55C688
oklch(74.5% 0.138 156.6)
-
Step 500
500
#00A462
oklch(63.2% 0.152 156.5)
-
Step 600
600
#008A52
oklch(55.7% 0.134 156.6)
-
Step 700
700
#007444
oklch(49.2% 0.118 156.6)
-
Step 800
800
#005F37
oklch(42.7% 0.102 156.7)
-
Step 900
900
#004F2D
oklch(37.6% 0.09 156.8)
-
Step 950
950
#002F19
oklch(26.9% 0.064 157.1)
#55C688 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) | #C5B884 | 0.126 |
| Deuteranopia (no green cones) | #B5AD8C | 0.122 |
| Tritanopia (no blue cones) | #2DC4B6 | 0.066 |
| Achromatopsia (no color) | #B1B1B1 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55C688
#55C688
oklch(74.5% 0.138 156.6)
- #E389CD
#E389CD
oklch(74.6% 0.138 336.5)
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 #55C688, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.026
- Greenblue #23C48B ΔE 0.026
- Dark Mint #48C072 ΔE 0.032
- Green Blue #01C08D ΔE 0.038
- Dark Mint Green #20C073 ΔE 0.044
- Algae Green #21C36F ΔE 0.045
- Emerald #06D6A0 ΔE 0.047
- Seaweed #18D17B ΔE 0.047
Use #55C688 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.