#55B583
Closest named color: Tea (#65AB7C). oklch(70.1% 0.118 158.4), rgb(85, 181, 131).
Aa
Black text reads best on this color (8.32:1).
About this color
#55B583 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.118 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.028 away. Black text reads best on it, at 8.32:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 8.32:1 |
| White text | 2.52:1 |
Values
| HEX | #55B583 |
| RGB | rgb(85, 181, 131) |
| HSL | hsl(149, 39%, 52%) |
| OKLCH | oklch(70.1% 0.118 158.4) |
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 #55B583 | 2.52:1 | Fails | Lc -54.3 | Large or bold text, headings |
| Black text on #55B583 | 8.32:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #55B583 text on white | 2.52:1 | Fails | Lc 49.3 | Large or bold text, headings |
| #55B583 text on black | 8.32:1 | AAA | Lc -52.7 | 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
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DFEEE5
oklch(93.5% 0.02 159.7)
-
Step 200
200
#C3E2CF
oklch(88.5% 0.042 158.5)
-
Step 300
300
#98D0AF
oklch(81% 0.074 158.4)
-
Step 400
400 (this color)
#55B583
oklch(70.1% 0.118 158.4)
-
Step 500
500
#00A367
oklch(63% 0.146 158.5)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007347
oklch(48.9% 0.114 158.4)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#004F2F
oklch(37.7% 0.088 158.2)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#55B583 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) | #B4A980 | 0.111 |
| Deuteranopia (no green cones) | #A69F86 | 0.108 |
| Tritanopia (no blue cones) | #37B4A7 | 0.053 |
| Achromatopsia (no color) | #A3A3A3 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55B583
#55B583
oklch(70.1% 0.118 158.4)
- #CE81B8
#CE81B8
oklch(70.1% 0.118 338.1)
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 #55B583, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.028
- Greeny Blue #42B395 ΔE 0.029
- Dark Seafoam Green #3EAF76 ΔE 0.030
- Medium Sea Green #3CB371 ΔE 0.032
- Bluey Green #2BB179 ΔE 0.033
- Dark Seafoam #1FB57A ΔE 0.034
- Faded Green #7BB274 ΔE 0.036
- Boring Green #63B365 ΔE 0.036
Use #55B583 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.