#57B192
Closest named color: Greeny Blue (#42B395). oklch(69.6% 0.099 168.5), rgb(87, 177, 146).
Aa
Black text reads best on this color (8.10:1).
About this color
#57B192 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.099 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.014 away. Black text reads best on it, at 8.10:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.10:1 |
| White text | 2.58:1 |
Values
| HEX | #57B192 |
| RGB | rgb(87, 177, 146) |
| HSL | hsl(159, 37%, 52%) |
| OKLCH | oklch(69.6% 0.099 168.5) |
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 #57B192 | 2.58:1 | Fails | Lc -55.5 | Large or bold text, headings |
| Black text on #57B192 | 8.10:1 | AAA | Lc 53.6 | Large or bold text, headings |
| #57B192 text on white | 2.58:1 | Fails | Lc 50.4 | Large or bold text, headings |
| #57B192 text on black | 8.10:1 | AAA | Lc -51.5 | 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 400.
-
Step 50
50
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100
#DFEEE8
oklch(93.6% 0.018 170.1)
-
Step 200
200
#C4E1D5
oklch(88.5% 0.035 168.7)
-
Step 300
300
#9ACEB9
oklch(80.9% 0.062 168)
-
Step 400
400 (this color)
#57B192
oklch(69.6% 0.099 168.5)
-
Step 500
500
#04A17B
oklch(63% 0.126 168.4)
-
Step 600
600
#008867
oklch(55.7% 0.112 168.2)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800
#005E46
oklch(42.8% 0.087 168)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#022E22
oklch(26.9% 0.052 169.7)
#57B192 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) | #ADA790 | 0.100 |
| Deuteranopia (no green cones) | #9F9D94 | 0.096 |
| Tritanopia (no blue cones) | #34B2A8 | 0.035 |
| Achromatopsia (no color) | #A1A1A1 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57B192
#57B192
oklch(69.6% 0.099 168.5)
- #CB84A7
#CB84A7
oklch(69.7% 0.098 348.9)
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 #57B192, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.014
- Tea #65AB7C ΔE 0.029
- Light Sea Green #20B2AA ΔE 0.041
- Dusty Green #76A973 ΔE 0.044
- Dark Seafoam Green #3EAF76 ΔE 0.046
- Topaz #13BBAF ΔE 0.046
- Bluey Green #2BB179 ΔE 0.049
- Faded Green #7BB274 ΔE 0.050
Use #57B192 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.