#5BC69B
Closest named color: Medium Aquamarine (#66CDAA). oklch(75.2% 0.118 164.5), rgb(91, 198, 155).
Aa
Black text reads best on this color (9.99:1).
About this color
#5BC69B is a medium-light, moderately saturated green. In OKLCH its lightness is 75%, its chroma 0.118 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.028 away. Black text reads best on it, at 9.99:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.99:1 |
| White text | 2.10:1 |
Values
| HEX | #5BC69B |
| RGB | rgb(91, 198, 155) |
| HSL | hsl(156, 48%, 57%) |
| OKLCH | oklch(75.2% 0.118 164.5) |
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 #5BC69B | 2.10:1 | Fails | Lc -45.5 | Large or bold text, headings |
| Black text on #5BC69B | 9.99:1 | AAA | Lc 63.1 | Content text, not long reading |
| #5BC69B text on white | 2.10:1 | Fails | Lc 40.9 | Non-text elements, placeholder text |
| #5BC69B text on black | 9.99:1 | AAA | Lc -61.4 | Content text, not long reading |
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
#F0F8F4
oklch(97.2% 0.01 164.9)
-
Step 100
100
#DEEFE6
oklch(93.7% 0.022 163)
-
Step 200
200
#C1E2D2
oklch(88.4% 0.041 164.6)
-
Step 300
300
#93D0B4
oklch(80.8% 0.074 164.5)
-
Step 400
400 (this color)
#5BC69B
oklch(75.2% 0.118 164.5)
-
Step 500
500
#00A274
oklch(63.1% 0.134 164.5)
-
Step 600
600
#008861
oklch(55.5% 0.117 164.6)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#004E36
oklch(37.5% 0.079 164.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#5BC69B 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) | #C3BA99 | 0.117 |
| Deuteranopia (no green cones) | #B3AE9E | 0.113 |
| Tritanopia (no blue cones) | #30C6BA | 0.046 |
| Achromatopsia (no color) | #B3B3B3 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BC69B
#5BC69B
oklch(75.2% 0.118 164.5)
- #E38FC0
#E38FC0
oklch(75.1% 0.118 344.4)
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 #5BC69B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.028
- Greenblue #23C48B ΔE 0.040
- Soft Green #6FC276 ΔE 0.045
- Green Blue #01C08D ΔE 0.047
- Emerald #06D6A0 ΔE 0.049
- Dark Sea Green #8FBC8F ΔE 0.051
- Pale Teal #82CBB2 ΔE 0.052
- Seafoam Blue #78D1B6 ΔE 0.053
Use #5BC69B 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.