#55B572
Closest named color: Boring Green (#63B365). oklch(69.8% 0.134 151.3), rgb(85, 181, 114).
Aa
Black text reads best on this color (8.23:1).
About this color
#55B572 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.134 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.016 away. Black text reads best on it, at 8.23:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.23:1 |
| White text | 2.54:1 |
Values
| HEX | #55B572 |
| RGB | rgb(85, 181, 114) |
| HSL | hsl(138, 39%, 52%) |
| OKLCH | oklch(69.8% 0.134 151.3) |
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 #55B572 | 2.54:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #55B572 | 8.23:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #55B572 text on white | 2.54:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #55B572 text on black | 8.23:1 | AAA | Lc -52.3 | 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
#DFEFE2
oklch(93.7% 0.024 151.2)
-
Step 200
200
#C4E2CA
oklch(88.4% 0.045 151.2)
-
Step 300
300
#98D1A5
oklch(81% 0.085 151.2)
-
Step 400
400 (this color)
#55B572
oklch(69.8% 0.134 151.3)
-
Step 500
500
#00A551
oklch(63.2% 0.169 151.3)
-
Step 600
600
#008B43
oklch(55.7% 0.149 151.3)
-
Step 700
700
#007537
oklch(49.2% 0.132 151.1)
-
Step 800
800
#00602C
oklch(42.8% 0.115 151.2)
-
Step 900
900
#005024
oklch(37.7% 0.101 151.4)
-
Step 950
950
#013013
oklch(27.1% 0.072 151.1)
#55B572 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) | #B6A86E | 0.115 |
| Deuteranopia (no green cones) | #A89E76 | 0.112 |
| Tritanopia (no blue cones) | #3EB2A4 | 0.073 |
| Achromatopsia (no color) | #A2A2A2 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55B572
#55B572
oklch(69.8% 0.134 151.3)
- #CD7DC3
#CD7DC3
oklch(69.8% 0.134 331.5)
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 #55B572, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.016
- Medium Sea Green #3CB371 ΔE 0.019
- Algae #54AC68 ΔE 0.026
- Dark Seafoam Green #3EAF76 ΔE 0.027
- Dark Seafoam #1FB57A ΔE 0.028
- Bluey Green #2BB179 ΔE 0.030
- Green Teal #0CB577 ΔE 0.032
- Dark Mint #48C072 ΔE 0.032
Use #55B572 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.