#5BBC8B
Closest named color: Greenblue (#23C48B). oklch(72.3% 0.118 159.4), rgb(91, 188, 139).
Aa
Black text reads best on this color (9.01:1).
About this color
#5BBC8B is a medium-light, moderately saturated green. In OKLCH its lightness is 72%, its chroma 0.118 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.035 away. Black text reads best on it, at 9.01:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.01:1 |
| White text | 2.33:1 |
Values
| HEX | #5BBC8B |
| RGB | rgb(91, 188, 139) |
| HSL | hsl(150, 42%, 55%) |
| OKLCH | oklch(72.3% 0.118 159.4) |
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 #5BBC8B | 2.33:1 | Fails | Lc -50.6 | Large or bold text, headings |
| Black text on #5BBC8B | 9.01:1 | AAA | Lc 58.2 | Large or bold text, headings |
| #5BBC8B text on white | 2.33:1 | Fails | Lc 45.7 | Large or bold text, headings |
| #5BBC8B text on black | 9.01:1 | AAA | Lc -56.3 | 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
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DFEEE5
oklch(93.5% 0.02 159.7)
-
Step 200
200
#C3E2D0
oklch(88.5% 0.041 160)
-
Step 300
300
#98D0B0
oklch(81% 0.074 159.2)
-
Step 400
400 (this color)
#5BBC8B
oklch(72.3% 0.118 159.4)
-
Step 500
500
#00A369
oklch(63.1% 0.144 159.3)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#5BBC8B 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) | #BAB088 | 0.110 |
| Deuteranopia (no green cones) | #ACA68E | 0.107 |
| Tritanopia (no blue cones) | #3DBBAF | 0.053 |
| Achromatopsia (no color) | #AAAAAA | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BBC8B
#5BBC8B
oklch(72.3% 0.118 159.4)
- #D688BD
#D688BD
oklch(72.3% 0.116 339.7)
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 #5BBC8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.035
- Green Blue #01C08D ΔE 0.035
- Greeny Blue #42B395 ΔE 0.039
- Faded Green #7BB274 ΔE 0.039
- Soft Green #6FC276 ΔE 0.039
- Dark Mint #48C072 ΔE 0.042
- Tea #65AB7C ΔE 0.046
- Sage Green #88B378 ΔE 0.046
Use #5BBC8B 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.