#57ABA3
Closest named color: Light Sea Green (#20B2AA). oklch(68.6% 0.083 187.3), rgb(87, 171, 163).
Aa
Black text reads best on this color (7.75:1).
About this color
#57ABA3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.083 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.032 away. Black text reads best on it, at 7.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.75:1 |
| White text | 2.70:1 |
Values
| HEX | #57ABA3 |
| RGB | rgb(87, 171, 163) |
| HSL | hsl(174, 33%, 51%) |
| OKLCH | oklch(68.6% 0.083 187.3) |
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 #57ABA3 | 2.70:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #57ABA3 | 7.75:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #57ABA3 text on white | 2.70:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #57ABA3 text on black | 7.75:1 | AAA | Lc -49.6 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#DFEDEB
oklch(93.5% 0.015 186.7)
-
Step 200
200
#C5E0DC
oklch(88.6% 0.029 185.9)
-
Step 300
300
#9BCCC6
oklch(80.9% 0.052 186.9)
-
Step 400
400 (this color)
#57ABA3
oklch(68.6% 0.083 187.3)
-
Step 500
500
#189E94
oklch(63.2% 0.106 186.7)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D48
oklch(37.8% 0.066 187.3)
-
Step 950
950
#042D2A
oklch(26.9% 0.044 187.6)
#57ABA3 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) | #A3A3A3 | 0.088 |
| Deuteranopia (no green cones) | #9599A4 | 0.082 |
| Tritanopia (no blue cones) | #2AAEA8 | 0.027 |
| Achromatopsia (no color) | #9D9D9D | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57ABA3
#57ABA3
oklch(68.6% 0.083 187.3)
- #C78591
#C78591
oklch(68.7% 0.082 7.5)
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 #57ABA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.032
- Cadet Blue #5F9EA0 ΔE 0.037
- Greeny Blue #42B395 ΔE 0.039
- Dull Teal #5F9E8F ΔE 0.039
- Topaz #13BBAF ΔE 0.048
- Grey Teal #5E9B8A ΔE 0.049
- Turquoise Blue #06B1C4 ΔE 0.052
- Tea #65AB7C ΔE 0.056
Use #57ABA3 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.