#57A689
Closest named color: Dull Teal (#5F9E8F). oklch(66.6% 0.09 167.6), rgb(87, 166, 137).
Aa
Black text reads best on this color (7.22:1).
About this color
#57A689 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.090 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.028 away. Black text reads best on it, at 7.22:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.22:1 |
| White text | 2.90:1 |
Values
| HEX | #57A689 |
| RGB | rgb(87, 166, 137) |
| HSL | hsl(158, 31%, 50%) |
| OKLCH | oklch(66.6% 0.09 167.6) |
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 #57A689 | 2.90:1 | Fails | Lc -60.6 | Content text, not long reading |
| Black text on #57A689 | 7.22:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #57A689 text on white | 2.90:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #57A689 text on black | 7.22:1 | AAA | Lc -46.5 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CBDFD6
oklch(88.6% 0.025 167)
-
Step 300
300
#A6CABB
oklch(80.8% 0.044 168)
-
Step 400
400
#74AF98
oklch(70.7% 0.07 167.9)
-
Step 500
500 (this color)
#57A689
oklch(66.6% 0.09 167.6)
-
Step 600
600
#298568
oklch(55.5% 0.097 168)
-
Step 700
700
#197156
oklch(49.1% 0.092 167.4)
-
Step 800
800
#195C47
oklch(42.7% 0.075 168)
-
Step 900
900
#1D4C3B
oklch(37.8% 0.059 166.7)
-
Step 950
950
#122C23
oklch(26.9% 0.037 168.7)
#57A689 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) | #A39D88 | 0.092 |
| Deuteranopia (no green cones) | #96948B | 0.087 |
| Tritanopia (no blue cones) | #3CA79E | 0.033 |
| Achromatopsia (no color) | #979797 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A689
#57A689
oklch(66.6% 0.09 167.6)
- #BD7D9E
#BD7D9E
oklch(66.5% 0.09 347.6)
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 #57A689, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.028
- Tea #65AB7C ΔE 0.029
- Grey Teal #5E9B8A ΔE 0.033
- Greeny Blue #42B395 ΔE 0.036
- Greeny Grey #7EA07A ΔE 0.042
- Dusty Green #76A973 ΔE 0.043
- Persian Green #2A9D8F ΔE 0.045
- Dark Seafoam Green #3EAF76 ΔE 0.048
Use #57A689 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.