#57BC59
Closest named color: Turtle Green (#75B84F). oklch(71.2% 0.167 143.9), rgb(87, 188, 89).
Aa
Black text reads best on this color (8.74:1).
About this color
#57BC59 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.167 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.026 away. Black text reads best on it, at 8.74:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 8.74:1 |
| White text | 2.40:1 |
Values
| HEX | #57BC59 |
| RGB | rgb(87, 188, 89) |
| HSL | hsl(121, 43%, 54%) |
| OKLCH | oklch(71.2% 0.167 143.9) |
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 #57BC59 | 2.40:1 | Fails | Lc -52.0 | Large or bold text, headings |
| Black text on #57BC59 | 8.74:1 | AAA | Lc 57.0 | Large or bold text, headings |
| #57BC59 text on white | 2.40:1 | Fails | Lc 47.0 | Large or bold text, headings |
| #57BC59 text on black | 8.74:1 | AAA | Lc -55.0 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DEF0DD
oklch(93.7% 0.032 143.9)
-
Step 200
200
#C3E4C1
oklch(88.6% 0.059 143.5)
-
Step 300
300
#97D396
oklch(81% 0.105 144.1)
-
Step 400
400 (this color)
#57BC59
oklch(71.2% 0.167 143.9)
-
Step 500
500
#00A721
oklch(63.2% 0.205 144)
-
Step 600
600
#008C1A
oklch(55.6% 0.18 144)
-
Step 700
700
#007614
oklch(49.1% 0.16 143.9)
-
Step 800
800
#00610F
oklch(42.8% 0.139 144)
-
Step 900
900
#00510A
oklch(37.7% 0.123 143.9)
-
Step 950
950
#003004
oklch(26.8% 0.087 144)
#57BC59 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) | #BFAD50 | 0.123 |
| Deuteranopia (no green cones) | #B2A460 | 0.123 |
| Tritanopia (no blue cones) | #47B7A5 | 0.104 |
| Achromatopsia (no color) | #A7A7A7 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57BC59
#57BC59
oklch(71.2% 0.167 143.9)
- #D47ADC
#D47ADC
oklch(71.2% 0.167 324.1)
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 #57BC59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.026
- Dark Mint #48C072 ΔE 0.026
- Cool Green #33B864 ΔE 0.029
- Leafy Green #51B73B ΔE 0.030
- Algae Green #21C36F ΔE 0.031
- Dark Mint Green #20C073 ΔE 0.033
- Boring Green #63B365 ΔE 0.034
- Dark Pastel Green #56AE57 ΔE 0.040
Use #57BC59 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.