#5BB374
Closest named color: Boring Green (#63B365). oklch(69.5% 0.126 151.1), rgb(91, 179, 116).
Aa
Black text reads best on this color (8.14:1).
About this color
#5BB374 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.126 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.019 away. Black text reads best on it, at 8.14:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.14:1 |
| White text | 2.57:1 |
Values
| HEX | #5BB374 |
| RGB | rgb(91, 179, 116) |
| HSL | hsl(137, 37%, 53%) |
| OKLCH | oklch(69.5% 0.126 151.1) |
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 #5BB374 | 2.57:1 | Fails | Lc -55.3 | Large or bold text, headings |
| Black text on #5BB374 | 8.14:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #5BB374 text on white | 2.57:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #5BB374 text on black | 8.14:1 | AAA | Lc -51.7 | 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
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#DFEEE2
oklch(93.5% 0.023 151.6)
-
Step 200
200
#C5E2CB
oklch(88.5% 0.044 151.5)
-
Step 300
300
#9BD0A7
oklch(81% 0.08 151.3)
-
Step 400
400 (this color)
#5BB374
oklch(69.5% 0.126 151.1)
-
Step 500
500
#1CA454
oklch(63.2% 0.161 151.2)
-
Step 600
600
#008B42
oklch(55.7% 0.15 151)
-
Step 700
700
#007537
oklch(49.2% 0.132 151.1)
-
Step 800
800
#00602C
oklch(42.8% 0.115 151.2)
-
Step 900
900
#005023
oklch(37.7% 0.102 150.9)
-
Step 950
950
#052F15
oklch(26.9% 0.066 151.6)
#5BB374 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) | #B4A670 | 0.108 |
| Deuteranopia (no green cones) | #A79E78 | 0.105 |
| Tritanopia (no blue cones) | #48B1A3 | 0.067 |
| Achromatopsia (no color) | #A1A1A1 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB374
#5BB374
oklch(69.5% 0.126 151.1)
- #CA7FC1
#CA7FC1
oklch(69.7% 0.126 331.2)
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 #5BB374, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.019
- Medium Sea Green #3CB371 ΔE 0.023
- Algae #54AC68 ΔE 0.024
- Dark Seafoam Green #3EAF76 ΔE 0.026
- Tea #65AB7C ΔE 0.030
- Faded Green #7BB274 ΔE 0.031
- Bluey Green #2BB179 ΔE 0.031
- Dark Seafoam #1FB57A ΔE 0.032
Use #5BB374 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.