#5BB879
Closest named color: Boring Green (#63B365). oklch(70.9% 0.129 152.3), rgb(91, 184, 121).
Aa
Black text reads best on this color (8.57:1).
About this color
#5BB879 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.129 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.024 away. Black text reads best on it, at 8.57:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.57:1 |
| White text | 2.44:1 |
Values
| HEX | #5BB879 |
| RGB | rgb(91, 184, 121) |
| HSL | hsl(139, 40%, 54%) |
| OKLCH | oklch(70.9% 0.129 152.3) |
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 #5BB879 | 2.44:1 | Fails | Lc -53.0 | Large or bold text, headings |
| Black text on #5BB879 | 8.57:1 | AAA | Lc 56.1 | Large or bold text, headings |
| #5BB879 text on white | 2.44:1 | Fails | Lc 47.9 | Large or bold text, headings |
| #5BB879 text on black | 8.57:1 | AAA | Lc -54.1 | 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
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DFEFE2
oklch(93.7% 0.024 151.2)
-
Step 200
200
#C4E2CB
oklch(88.5% 0.045 152.4)
-
Step 300
300
#99D0A8
oklch(80.9% 0.08 152.8)
-
Step 400
400 (this color)
#5BB879
oklch(70.9% 0.129 152.3)
-
Step 500
500
#03A455
oklch(63% 0.164 152.4)
-
Step 600
600
#008A46
oklch(55.5% 0.145 152.3)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#00602F
oklch(42.8% 0.112 152.4)
-
Step 900
900
#005026
oklch(37.8% 0.099 152.3)
-
Step 950
950
#022F15
oklch(26.8% 0.067 152.7)
#5BB879 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) | #B8AB75 | 0.111 |
| Deuteranopia (no green cones) | #ABA27D | 0.109 |
| Tritanopia (no blue cones) | #46B6A8 | 0.067 |
| Achromatopsia (no color) | #A6A6A6 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB879
#5BB879
oklch(70.9% 0.129 152.3)
- #D082C4
#D082C4
oklch(71% 0.128 332.6)
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 #5BB879, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.024
- Dark Mint #48C072 ΔE 0.030
- Medium Sea Green #3CB371 ΔE 0.030
- Faded Green #7BB274 ΔE 0.032
- Dark Seafoam #1FB57A ΔE 0.036
- Dark Seafoam Green #3EAF76 ΔE 0.036
- Soft Green #6FC276 ΔE 0.037
- Algae #54AC68 ΔE 0.037
Use #5BB879 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.