#5BB57B
Closest named color: Boring Green (#63B365). oklch(70.2% 0.122 153.6), rgb(91, 181, 123).
Aa
Black text reads best on this color (8.34:1).
About this color
#5BB57B is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.122 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.026 away. Black text reads best on it, at 8.34:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.34:1 |
| White text | 2.51:1 |
Values
| HEX | #5BB57B |
| RGB | rgb(91, 181, 123) |
| HSL | hsl(141, 38%, 53%) |
| OKLCH | oklch(70.2% 0.122 153.6) |
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 #5BB57B | 2.51:1 | Fails | Lc -54.3 | Large or bold text, headings |
| Black text on #5BB57B | 8.34:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #5BB57B text on white | 2.51:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #5BB57B text on black | 8.34:1 | AAA | Lc -52.8 | 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
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#DFEEE3
oklch(93.5% 0.022 154.1)
-
Step 200
200
#C5E2CC
oklch(88.5% 0.043 152.7)
-
Step 300
300
#9BD0AA
oklch(81% 0.077 153.3)
-
Step 400
400 (this color)
#5BB57B
oklch(70.2% 0.122 153.6)
-
Step 500
500
#12A45B
oklch(63.2% 0.156 153.7)
-
Step 600
600
#008A4A
oklch(55.6% 0.141 153.6)
-
Step 700
700
#00743D
oklch(49% 0.125 153.5)
-
Step 800
800
#005F31
oklch(42.6% 0.108 153.6)
-
Step 900
900
#005028
oklch(37.8% 0.097 153.4)
-
Step 950
950
#042F17
oklch(27% 0.064 153.7)
#5BB57B 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) | #B5A977 | 0.107 |
| Deuteranopia (no green cones) | #A8A07F | 0.105 |
| Tritanopia (no blue cones) | #46B3A6 | 0.063 |
| Achromatopsia (no color) | #A3A3A3 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB57B
#5BB57B
oklch(70.2% 0.122 153.6)
- #CC81BF
#CC81BF
oklch(70.1% 0.122 333.3)
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 #5BB57B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.026
- Medium Sea Green #3CB371 ΔE 0.028
- Faded Green #7BB274 ΔE 0.030
- Tea #65AB7C ΔE 0.030
- Dark Seafoam Green #3EAF76 ΔE 0.030
- Algae #54AC68 ΔE 0.032
- Dark Seafoam #1FB57A ΔE 0.034
- Bluey Green #2BB179 ΔE 0.034
Use #5BB57B 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.