#5BC657
Closest named color: Apple (#6ECB3C). oklch(73.9% 0.18 142.9), rgb(91, 198, 87).
Aa
Black text reads best on this color (9.66:1).
About this color
#5BC657 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.180 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Apple (#6ECB3C), ΔE 0.032 away. Black text reads best on it, at 9.66:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Apple (#6ECB3C) |
| Black text | 9.66:1 |
| White text | 2.17:1 |
Values
| HEX | #5BC657 |
| RGB | rgb(91, 198, 87) |
| HSL | hsl(118, 49%, 56%) |
| OKLCH | oklch(73.9% 0.18 142.9) |
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 #5BC657 | 2.17:1 | Fails | Lc -47.1 | Large or bold text, headings |
| Black text on #5BC657 | 9.66:1 | AAA | Lc 61.5 | Content text, not long reading |
| #5BC657 text on white | 2.17:1 | Fails | Lc 42.4 | Non-text elements, placeholder text |
| #5BC657 text on black | 9.66:1 | AAA | Lc -59.8 | 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
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DEF0DC
oklch(93.6% 0.033 142.5)
-
Step 200
200
#C2E4BF
oklch(88.4% 0.062 142.9)
-
Step 300
300
#95D490
oklch(81% 0.114 142.7)
-
Step 400
400 (this color)
#5BC657
oklch(73.9% 0.18 142.9)
-
Step 500
500
#00A70D
oklch(63.1% 0.212 142.9)
-
Step 600
600
#008C09
oklch(55.5% 0.186 142.9)
-
Step 700
700
#007606
oklch(49% 0.165 142.9)
-
Step 800
800
#006104
oklch(42.7% 0.144 142.9)
-
Step 900
900
#005103
oklch(37.7% 0.127 142.9)
-
Step 950
950
#003101
oklch(27.1% 0.091 142.9)
#5BC657 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) | #CAB64C | 0.130 |
| Deuteranopia (no green cones) | #BCAC5F | 0.130 |
| Tritanopia (no blue cones) | #4BC1AD | 0.114 |
| Achromatopsia (no color) | #B0B0B0 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BC657
#5BC657
oklch(73.9% 0.18 142.9)
- #DF7FEB
#DF7FEB
oklch(73.9% 0.179 323)
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 #5BC657, closest first.
No curated palette has a color within ΔE 0.04 of #5BC657.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Apple #6ECB3C ΔE 0.032
- Algae Green #21C36F ΔE 0.039
- Dark Mint #48C072 ΔE 0.040
- Turtle Green #75B84F ΔE 0.041
- Seaweed #18D17B ΔE 0.043
- Shamrock Green #02C14D ΔE 0.044
- Soft Green #6FC276 ΔE 0.046
- Leafy Green #51B73B ΔE 0.047
Use #5BC657 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.