#55A970
Closest named color: Algae (#54AC68). oklch(66.7% 0.118 152.4), rgb(85, 169, 112).
Aa
Black text reads best on this color (7.29:1).
About this color
#55A970 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.118 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.016 away. Black text reads best on it, at 7.29:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.29:1 |
| White text | 2.87:1 |
Values
| HEX | #55A970 |
| RGB | rgb(85, 169, 112) |
| HSL | hsl(139, 33%, 50%) |
| OKLCH | oklch(66.7% 0.118 152.4) |
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 #55A970 | 2.87:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #55A970 | 7.29:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #55A970 text on white | 2.87:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #55A970 text on black | 7.29:1 | AAA | Lc -47.0 | 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 500.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CF
oklch(88.6% 0.033 152.4)
-
Step 300
300
#A5CCAF
oklch(80.9% 0.058 152.8)
-
Step 400
400
#73B284
oklch(70.8% 0.094 152)
-
Step 500
500 (this color)
#55A970
oklch(66.7% 0.118 152.4)
-
Step 600
600
#25884C
oklch(55.6% 0.129 152.3)
-
Step 700
700
#15733D
oklch(49% 0.119 152.3)
-
Step 800
800
#165E33
oklch(42.7% 0.099 152.5)
-
Step 900
900
#1B4D2D
oklch(37.7% 0.077 152.6)
-
Step 950
950
#112D1A
oklch(26.9% 0.049 152.2)
#55A970 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) | #A99D6C | 0.102 |
| Deuteranopia (no green cones) | #9D9573 | 0.100 |
| Tritanopia (no blue cones) | #42A79A | 0.062 |
| Achromatopsia (no color) | #989898 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55A970
#55A970
oklch(66.7% 0.118 152.4)
- #BF78B4
#BF78B4
oklch(66.7% 0.118 332.6)
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 #55A970, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.016
- Dark Seafoam Green #3EAF76 ΔE 0.020
- Tea #65AB7C ΔE 0.024
- Seaweed Green #35AD6B ΔE 0.026
- Bluey Green #2BB179 ΔE 0.030
- Dull Green #74A662 ΔE 0.031
- Medium Sea Green #3CB371 ΔE 0.031
- Jade #1FA774 ΔE 0.033
Use #55A970 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.