#57A49E
Closest named color: Cadet Blue (#5F9EA0). oklch(66.8% 0.077 188.9), rgb(87, 164, 158).
Aa
Black text reads best on this color (7.20:1).
About this color
#57A49E is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.077 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.020 away. Black text reads best on it, at 7.20:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.20:1 |
| White text | 2.91:1 |
Values
| HEX | #57A49E |
| RGB | rgb(87, 164, 158) |
| HSL | hsl(175, 31%, 49%) |
| OKLCH | oklch(66.8% 0.077 188.9) |
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 #57A49E | 2.91:1 | Fails | Lc -60.7 | Content text, not long reading |
| Black text on #57A49E | 7.20:1 | AAA | Lc 48.7 | Large or bold text, headings |
| #57A49E text on white | 2.91:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #57A49E text on black | 7.20:1 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDC
oklch(88.5% 0.022 189.5)
-
Step 300
300
#A6C9C5
oklch(80.9% 0.038 187.9)
-
Step 400
400
#74ADA8
oklch(70.7% 0.06 189)
-
Step 500
500 (this color)
#57A49E
oklch(66.8% 0.077 188.9)
-
Step 600
600
#28837D
oklch(55.6% 0.084 188.7)
-
Step 700
700
#186F6A
oklch(49.2% 0.078 189.1)
-
Step 800
800
#195A56
oklch(42.7% 0.064 189.1)
-
Step 900
900
#1C4A47
oklch(37.6% 0.05 189.4)
-
Step 950
950
#122B2A
oklch(26.9% 0.031 192.1)
#57A49E 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) | #9D9D9E | 0.082 |
| Deuteranopia (no green cones) | #8F939F | 0.077 |
| Tritanopia (no blue cones) | #30A7A2 | 0.025 |
| Achromatopsia (no color) | #979797 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A49E
#57A49E
oklch(66.8% 0.077 188.9)
- #BE818B
#BE818B
oklch(66.8% 0.076 8.6)
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 #57A49E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.020
- Dull Teal #5F9E8F ΔE 0.023
- Grey Teal #5E9B8A ΔE 0.032
- Sea #3C9992 ΔE 0.043
- Light Sea Green #20B2AA ΔE 0.044
- Persian Green #2A9D8F ΔE 0.045
- Greeny Blue #42B395 ΔE 0.051
- Greyblue #77A1B5 ΔE 0.053
Use #57A49E 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.