#5BB57C
Closest named color: Boring Green (#63B365). oklch(70.2% 0.121 154.1), rgb(91, 181, 124).
Aa
Black text reads best on this color (8.34:1).
About this color
#5BB57C is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.121 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 0.027 away. Black text reads best on it, at 8.34:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.34:1 |
| White text | 2.51:1 |
Values
| HEX | #5BB57C |
| RGB | rgb(91, 181, 124) |
| HSL | hsl(142, 38%, 53%) |
| OKLCH | oklch(70.2% 0.121 154.1) |
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 #5BB57C | 2.51:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #5BB57C | 8.34:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #5BB57C text on white | 2.51:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #5BB57C 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
#C5E2CD
oklch(88.6% 0.042 154)
-
Step 300
300
#9AD0AB
oklch(81% 0.077 154.5)
-
Step 400
400 (this color)
#5BB57C
oklch(70.2% 0.121 154.1)
-
Step 500
500
#12A45C
oklch(63.2% 0.155 154)
-
Step 600
600
#008A4B
oklch(55.6% 0.14 154)
-
Step 700
700
#00743E
oklch(49% 0.124 153.9)
-
Step 800
800
#005F32
oklch(42.6% 0.107 154.1)
-
Step 900
900
#005029
oklch(37.8% 0.096 153.9)
-
Step 950
950
#042F17
oklch(27% 0.064 153.7)
#5BB57C 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) | #B5A978 | 0.107 |
| Deuteranopia (no green cones) | #A8A07F | 0.104 |
| Tritanopia (no blue cones) | #45B3A6 | 0.061 |
| Achromatopsia (no color) | #A3A3A3 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB57C
#5BB57C
oklch(70.2% 0.121 154.1)
- #CD81BE
#CD81BE
oklch(70.2% 0.122 334.3)
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 #5BB57C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.027
- Medium Sea Green #3CB371 ΔE 0.029
- Tea #65AB7C ΔE 0.029
- Faded Green #7BB274 ΔE 0.030
- Dark Seafoam Green #3EAF76 ΔE 0.030
- Algae #54AC68 ΔE 0.033
- Dark Seafoam #1FB57A ΔE 0.034
- Bluey Green #2BB179 ΔE 0.035
Use #5BB57C 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.