#5BBF8B
Closest named color: Greenblue (#23C48B). oklch(73% 0.122 158.6), rgb(91, 191, 139).
Aa
Black text reads best on this color (9.26:1).
About this color
#5BBF8B is a medium-light, moderately saturated green. In OKLCH its lightness is 73%, its chroma 0.122 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.031 away. Black text reads best on it, at 9.26:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.26:1 |
| White text | 2.26:1 |
Values
| HEX | #5BBF8B |
| RGB | rgb(91, 191, 139) |
| HSL | hsl(149, 44%, 55%) |
| OKLCH | oklch(73% 0.122 158.6) |
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 #5BBF8B | 2.26:1 | Fails | Lc -49.3 | Large or bold text, headings |
| Black text on #5BBF8B | 9.26:1 | AAA | Lc 59.5 | Large or bold text, headings |
| #5BBF8B text on white | 2.26:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #5BBF8B text on black | 9.26:1 | AAA | Lc -57.7 | 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
#DEEFE4
oklch(93.6% 0.023 157.6)
-
Step 200
200
#C3E2CF
oklch(88.5% 0.042 158.5)
-
Step 300
300
#96D0AE
oklch(80.8% 0.077 158.4)
-
Step 400
400 (this color)
#5BBF8B
oklch(73% 0.122 158.6)
-
Step 500
500
#00A367
oklch(63% 0.146 158.5)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007348
oklch(49% 0.113 158.9)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#004F30
oklch(37.7% 0.087 158.9)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#5BBF8B 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) | #BDB288 | 0.114 |
| Deuteranopia (no green cones) | #AFA88E | 0.111 |
| Tritanopia (no blue cones) | #3CBEB1 | 0.055 |
| Achromatopsia (no color) | #ACACAC | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BBF8B
#5BBF8B
oklch(73% 0.122 158.6)
- #DA89C2
#DA89C2
oklch(73.1% 0.122 338.6)
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 #5BBF8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.031
- Soft Green #6FC276 ΔE 0.033
- Green Blue #01C08D ΔE 0.035
- Dark Mint #48C072 ΔE 0.039
- Faded Green #7BB274 ΔE 0.043
- Greeny Blue #42B395 ΔE 0.047
- Sage Green #88B378 ΔE 0.049
- Boring Green #63B365 ΔE 0.049
Use #5BBF8B 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.