#57A396
Closest named color: Dull Teal (#5F9E8F). oklch(66.3% 0.079 181.4), rgb(87, 163, 150).
Aa
Black text reads best on this color (7.08:1).
About this color
#57A396 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.079 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.015 away. Black text reads best on it, at 7.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.08:1 |
| White text | 2.96:1 |
Values
| HEX | #57A396 |
| RGB | rgb(87, 163, 150) |
| HSL | hsl(170, 30%, 49%) |
| OKLCH | oklch(66.3% 0.079 181.4) |
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 #57A396 | 2.96:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #57A396 | 7.08:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #57A396 text on white | 2.96:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #57A396 text on black | 7.08:1 | AAA | Lc -45.7 | 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 500.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CBDEDA
oklch(88.5% 0.021 181.8)
-
Step 300
300
#A6C9C2
oklch(80.8% 0.039 181.8)
-
Step 400
400
#75AEA3
oklch(70.8% 0.062 181)
-
Step 500
500 (this color)
#57A396
oklch(66.3% 0.079 181.4)
-
Step 600
600
#2B8476
oklch(55.7% 0.086 180.5)
-
Step 700
700
#1B6F64
oklch(49% 0.079 182.2)
-
Step 800
800
#1A5B51
oklch(42.8% 0.067 180.7)
-
Step 900
900
#1D4A43
oklch(37.5% 0.051 181.8)
-
Step 950
950
#122C27
oklch(27.1% 0.034 179.6)
#57A396 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) | #9D9B96 | 0.084 |
| Deuteranopia (no green cones) | #909297 | 0.079 |
| Tritanopia (no blue cones) | #36A59F | 0.024 |
| Achromatopsia (no color) | #969696 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A396
#57A396
oklch(66.3% 0.079 181.4)
- #BC7F90
#BC7F90
oklch(66.3% 0.078 1.3)
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 #57A396, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.015
- Grey Teal #5E9B8A ΔE 0.024
- Cadet Blue #5F9EA0 ΔE 0.026
- Sea #3C9992 ΔE 0.039
- Persian Green #2A9D8F ΔE 0.040
- Light Sea Green #20B2AA ΔE 0.047
- Greeny Blue #42B395 ΔE 0.048
- Greeny Grey #7EA07A ΔE 0.051
Use #57A396 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.