#57AFA5
Closest named color: Light Sea Green (#20B2AA). oklch(69.7% 0.086 185.7), rgb(87, 175, 165).
Aa
Black text reads best on this color (8.08:1).
About this color
#57AFA5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.086 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.029 away. Black text reads best on it, at 8.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.08:1 |
| White text | 2.59:1 |
Values
| HEX | #57AFA5 |
| RGB | rgb(87, 175, 165) |
| HSL | hsl(173, 35%, 51%) |
| OKLCH | oklch(69.7% 0.086 185.7) |
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 #57AFA5 | 2.59:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #57AFA5 | 8.08:1 | AAA | Lc 53.4 | Large or bold text, headings |
| #57AFA5 text on white | 2.59:1 | Fails | Lc 50.6 | Large or bold text, headings |
| #57AFA5 text on black | 8.08:1 | AAA | Lc -51.3 | 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 400.
-
Step 50
50
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DFEDEB
oklch(93.5% 0.015 186.7)
-
Step 200
200
#C4E0DC
oklch(88.5% 0.03 186.2)
-
Step 300
300
#99CCC5
oklch(80.8% 0.054 185.7)
-
Step 400
400 (this color)
#57AFA5
oklch(69.7% 0.086 185.7)
-
Step 500
500
#039F93
oklch(63.2% 0.111 185.4)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#022D2A
oklch(26.8% 0.045 187.7)
#57AFA5 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) | #A7A7A5 | 0.091 |
| Deuteranopia (no green cones) | #999CA6 | 0.087 |
| Tritanopia (no blue cones) | #26B2AC | 0.027 |
| Achromatopsia (no color) | #A1A1A1 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57AFA5
#57AFA5
oklch(69.7% 0.086 185.7)
- #CC8795
#CC8795
oklch(69.7% 0.086 6.3)
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 #57AFA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.029
- Greeny Blue #42B395 ΔE 0.034
- Topaz #13BBAF ΔE 0.040
- Cadet Blue #5F9EA0 ΔE 0.047
- Dull Teal #5F9E8F ΔE 0.049
- Turquoise Blue #06B1C4 ΔE 0.052
- Tea #65AB7C ΔE 0.055
- Grey Teal #5E9B8A ΔE 0.059
Use #57AFA5 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.