#5BB175
Closest named color: Algae (#54AC68). oklch(69.1% 0.122 151.8), rgb(91, 177, 117).
Aa
Black text reads best on this color (7.99:1).
About this color
#5BB175 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.122 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.021 away. Black text reads best on it, at 7.99:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.99:1 |
| White text | 2.62:1 |
Values
| HEX | #5BB175 |
| RGB | rgb(91, 177, 117) |
| HSL | hsl(138, 36%, 53%) |
| OKLCH | oklch(69.1% 0.122 151.8) |
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 #5BB175 | 2.62:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #5BB175 | 7.99:1 | AAA | Lc 53.0 | Large or bold text, headings |
| #5BB175 text on white | 2.62:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #5BB175 text on black | 7.99:1 | AAA | Lc -50.9 | 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
#E0EEE3
oklch(93.6% 0.021 152.2)
-
Step 200
200
#C5E2CC
oklch(88.5% 0.043 152.7)
-
Step 300
300
#9CCFA8
oklch(80.8% 0.076 151.6)
-
Step 400
400 (this color)
#5BB175
oklch(69.1% 0.122 151.8)
-
Step 500
500
#21A357
oklch(63.1% 0.156 151.8)
-
Step 600
600
#008A45
oklch(55.5% 0.146 152)
-
Step 700
700
#007539
oklch(49.2% 0.13 151.8)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#062F16
oklch(27% 0.064 152.1)
#5BB175 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) | #B1A571 | 0.104 |
| Deuteranopia (no green cones) | #A59C79 | 0.103 |
| Tritanopia (no blue cones) | #49AFA1 | 0.064 |
| Achromatopsia (no color) | #A0A0A0 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB175
#5BB175
oklch(69.1% 0.122 151.8)
- #C77EBD
#C77EBD
oklch(69% 0.122 331.8)
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 #5BB175, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.021
- Boring Green #63B365 ΔE 0.023
- Dark Seafoam Green #3EAF76 ΔE 0.023
- Medium Sea Green #3CB371 ΔE 0.024
- Tea #65AB7C ΔE 0.024
- Bluey Green #2BB179 ΔE 0.030
- Faded Green #7BB274 ΔE 0.032
- Dusty Green #76A973 ΔE 0.032
Use #5BB175 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.