#57A690
Closest named color: Dull Teal (#5F9E8F). oklch(66.8% 0.085 173.4), rgb(87, 166, 144).
Aa
Black text reads best on this color (7.26:1).
About this color
#57A690 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.085 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.023 away. Black text reads best on it, at 7.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.26:1 |
| White text | 2.89:1 |
Values
| HEX | #57A690 |
| RGB | rgb(87, 166, 144) |
| HSL | hsl(163, 31%, 50%) |
| OKLCH | oklch(66.8% 0.085 173.4) |
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 #57A690 | 2.89:1 | Fails | Lc -60.4 | Content text, not long reading |
| Black text on #57A690 | 7.26:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #57A690 text on white | 2.89:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #57A690 text on black | 7.26:1 | AAA | Lc -46.8 | 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
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADED8
oklch(88.4% 0.023 175.9)
-
Step 300
300
#A6CABE
oklch(80.9% 0.042 173)
-
Step 400
400
#74AF9D
oklch(70.8% 0.067 173.2)
-
Step 500
500 (this color)
#57A690
oklch(66.8% 0.085 173.4)
-
Step 600
600
#27856E
oklch(55.6% 0.094 172.9)
-
Step 700
700
#18705C
oklch(49% 0.086 173.4)
-
Step 800
800
#185C4B
oklch(42.8% 0.073 172.5)
-
Step 900
900
#1C4B3F
oklch(37.6% 0.055 173.8)
-
Step 950
950
#122C25
oklch(27% 0.035 173.9)
#57A690 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) | #A19D8F | 0.088 |
| Deuteranopia (no green cones) | #959492 | 0.085 |
| Tritanopia (no blue cones) | #39A79F | 0.027 |
| Achromatopsia (no color) | #989898 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A690
#57A690
oklch(66.8% 0.085 173.4)
- #BE7F99
#BE7F99
oklch(66.8% 0.085 353.2)
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 #57A690, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.023
- Grey Teal #5E9B8A ΔE 0.030
- Greeny Blue #42B395 ΔE 0.037
- Tea #65AB7C ΔE 0.037
- Cadet Blue #5F9EA0 ΔE 0.040
- Persian Green #2A9D8F ΔE 0.044
- Greeny Grey #7EA07A ΔE 0.045
- Light Sea Green #20B2AA ΔE 0.046
Use #57A690 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.