#5BBB4A
Closest named color: Leafy Green (#51B73B). oklch(70.9% 0.176 140.8), rgb(91, 187, 74).
Aa
Black text reads best on this color (8.65:1).
About this color
#5BBB4A is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.176 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.019 away. Black text reads best on it, at 8.65:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.65:1 |
| White text | 2.42:1 |
Values
| HEX | #5BBB4A |
| RGB | rgb(91, 187, 74) |
| HSL | hsl(111, 45%, 51%) |
| OKLCH | oklch(70.9% 0.176 140.8) |
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 #5BBB4A | 2.42:1 | Fails | Lc -52.5 | Large or bold text, headings |
| Black text on #5BBB4A | 8.65:1 | AAA | Lc 56.5 | Large or bold text, headings |
| #5BBB4A text on white | 2.42:1 | Fails | Lc 47.5 | Large or bold text, headings |
| #5BBB4A text on black | 8.65:1 | AAA | Lc -54.5 | 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
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DFF0DC
oklch(93.7% 0.032 141)
-
Step 200
200
#C4E4BE
oklch(88.6% 0.061 140.7)
-
Step 300
300
#99D38F
oklch(81% 0.111 140.9)
-
Step 400
400 (this color)
#5BBB4A
oklch(70.9% 0.176 140.8)
-
Step 500
500
#29A500
oklch(63% 0.206 140.7)
-
Step 600
600
#218B00
oklch(55.6% 0.182 140.7)
-
Step 700
700
#1A7500
oklch(49.1% 0.161 140.8)
-
Step 800
800
#146000
oklch(42.7% 0.14 140.7)
-
Step 900
900
#0F5000
oklch(37.7% 0.123 140.7)
-
Step 950
950
#063000
oklch(27% 0.088 140.7)
#5BBB4A 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) | #C0AB3E | 0.123 |
| Deuteranopia (no green cones) | #B3A353 | 0.122 |
| Tritanopia (no blue cones) | #50B5A3 | 0.118 |
| Achromatopsia (no color) | #A6A6A6 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BBB4A
#5BBB4A
oklch(70.9% 0.176 140.8)
- #D178E3
#D178E3
oklch(70.9% 0.175 320.7)
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 #5BBB4A, closest first.
No curated palette has a color within ΔE 0.04 of #5BBB4A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.019
- Turtle Green #75B84F ΔE 0.027
- Cool Green #33B864 ΔE 0.037
- Shamrock Green #02C14D ΔE 0.037
- Frog Green #58BC08 ΔE 0.037
- Dark Mint #48C072 ΔE 0.040
- Algae Green #21C36F ΔE 0.041
- Grass #5CAC2D ΔE 0.043
Use #5BBB4A 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.