#55CD70
Closest named color: Seaweed (#18D17B). oklch(75.8% 0.17 148.3), rgb(85, 205, 112).
Aa
Black text reads best on this color (10.35:1).
About this color
#55CD70 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 0.025 away. Black text reads best on it, at 10.35:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.35:1 |
| White text | 2.02:1 |
Values
| HEX | #55CD70 |
| RGB | rgb(85, 205, 112) |
| HSL | hsl(134, 55%, 57%) |
| OKLCH | oklch(75.8% 0.17 148.3) |
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 #55CD70 | 2.02:1 | Fails | Lc -43.6 | Non-text elements, placeholder text |
| Black text on #55CD70 | 10.35:1 | AAA | Lc 64.8 | Content text, not long reading |
| #55CD70 text on white | 2.02:1 | Fails | Lc 39.1 | Non-text elements, placeholder text |
| #55CD70 text on black | 10.35:1 | AAA | Lc -63.3 | 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
#D5F4D8
oklch(93.7% 0.049 147.9)
-
Step 200
200
#AEEBB7
oklch(88.5% 0.094 148.7)
-
Step 300
300 (this color)
#55CD70
oklch(75.8% 0.17 148.3)
-
Step 400
400
#00C150
oklch(70.8% 0.203 148.4)
-
Step 500
500
#00A543
oklch(63% 0.181 148.3)
-
Step 600
600
#008B37
oklch(55.5% 0.16 148.3)
-
Step 700
700
#00752D
oklch(49.1% 0.141 148.2)
-
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)
#55CD70 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) | #CFBD69 | 0.137 |
| Deuteranopia (no green cones) | #BFB276 | 0.134 |
| Tritanopia (no blue cones) | #37C9B7 | 0.098 |
| Achromatopsia (no color) | #B6B6B6 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55CD70
#55CD70
oklch(75.8% 0.17 148.3)
- #E986E6
#E986E6
oklch(75.8% 0.169 328.2)
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 #55CD70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.025
- Soft Green #6FC276 ΔE 0.039
- Dark Mint #48C072 ΔE 0.041
- Algae Green #21C36F ΔE 0.042
- Apple #6ECB3C ΔE 0.046
- Dark Mint Green #20C073 ΔE 0.050
- Fresh Green #69D84F ΔE 0.052
- Greenblue #23C48B ΔE 0.053
Use #55CD70 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.