#55B87F
Closest named color: Medium Sea Green (#3CB371). oklch(70.8% 0.126 155.9), rgb(85, 184, 127).
Aa
Black text reads best on this color (8.54:1).
About this color
#55B87F is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.126 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.030 away. Black text reads best on it, at 8.54:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 8.54:1 |
| White text | 2.45:1 |
Values
| HEX | #55B87F |
| RGB | rgb(85, 184, 127) |
| HSL | hsl(145, 41%, 53%) |
| OKLCH | oklch(70.8% 0.126 155.9) |
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 #55B87F | 2.45:1 | Fails | Lc -53.1 | Large or bold text, headings |
| Black text on #55B87F | 8.54:1 | AAA | Lc 55.9 | Large or bold text, headings |
| #55B87F text on white | 2.45:1 | Fails | Lc 48.1 | Large or bold text, headings |
| #55B87F text on black | 8.54:1 | AAA | Lc -53.9 | 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
#DEEFE4
oklch(93.6% 0.023 157.6)
-
Step 200
200
#C3E2CD
oklch(88.4% 0.043 155.8)
-
Step 300
300
#97D0AB
oklch(80.8% 0.079 155.8)
-
Step 400
400 (this color)
#55B87F
oklch(70.8% 0.126 155.9)
-
Step 500
500
#00A460
oklch(63.2% 0.154 155.8)
-
Step 600
600
#008A50
oklch(55.7% 0.136 155.8)
-
Step 700
700
#007442
oklch(49.1% 0.12 155.6)
-
Step 800
800
#005F36
oklch(42.7% 0.103 156.1)
-
Step 900
900
#004F2C
oklch(37.6% 0.091 156.1)
-
Step 950
950
#002F18
oklch(26.8% 0.065 156.1)
#55B87F 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) | #B7AB7C | 0.114 |
| Deuteranopia (no green cones) | #A9A183 | 0.112 |
| Tritanopia (no blue cones) | #38B6A9 | 0.062 |
| Achromatopsia (no color) | #A5A5A5 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55B87F
#55B87F
oklch(70.8% 0.126 155.9)
- #D281BF
#D281BF
oklch(70.8% 0.127 336)
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 #55B87F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.030
- Boring Green #63B365 ΔE 0.030
- Dark Seafoam #1FB57A ΔE 0.033
- Dark Seafoam Green #3EAF76 ΔE 0.034
- Green Blue #01C08D ΔE 0.034
- Dark Mint #48C072 ΔE 0.034
- Faded Green #7BB274 ΔE 0.035
- Bluey Green #2BB179 ΔE 0.036
Use #55B87F 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.