#57C19E
Closest named color: Medium Aquamarine (#66CDAA). oklch(73.9% 0.112 168.8), rgb(87, 193, 158).
Aa
Black text reads best on this color (9.52:1).
About this color
#57C19E is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.112 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.038 away. Black text reads best on it, at 9.52:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.52:1 |
| White text | 2.20:1 |
Values
| HEX | #57C19E |
| RGB | rgb(87, 193, 158) |
| HSL | hsl(160, 46%, 55%) |
| OKLCH | oklch(73.9% 0.112 168.8) |
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 #57C19E | 2.20:1 | Fails | Lc -47.9 | Large or bold text, headings |
| Black text on #57C19E | 9.52:1 | AAA | Lc 60.8 | Content text, not long reading |
| #57C19E text on white | 2.20:1 | Fails | Lc 43.2 | Non-text elements, placeholder text |
| #57C19E text on black | 9.52:1 | AAA | Lc -59.0 | 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
#F0F8F4
oklch(97.2% 0.01 164.9)
-
Step 100
100
#DEEEE7
oklch(93.5% 0.019 167.9)
-
Step 200
200
#C1E2D5
oklch(88.5% 0.039 169.6)
-
Step 300
300
#94D0B9
oklch(81% 0.07 168.8)
-
Step 400
400 (this color)
#57C19E
oklch(73.9% 0.112 168.8)
-
Step 500
500
#00A17C
oklch(63% 0.126 169.1)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#57C19E 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) | #BCB59C | 0.113 |
| Deuteranopia (no green cones) | #ADAAA0 | 0.109 |
| Tritanopia (no blue cones) | #24C2B7 | 0.039 |
| Achromatopsia (no color) | #AFAFAF | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57C19E
#57C19E
oklch(73.9% 0.112 168.8)
- #DF8DB6
#DF8DB6
oklch(73.9% 0.111 348.8)
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 #57C19E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.038
- Greenblue #23C48B ΔE 0.043
- Green Blue #01C08D ΔE 0.044
- Greeny Blue #42B395 ΔE 0.045
- Topaz #13BBAF ΔE 0.045
- Dark Sea Green #8FBC8F ΔE 0.052
- Soft Green #6FC276 ΔE 0.054
- Pale Teal #82CBB2 ΔE 0.057
Use #57C19E 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.