#59BB3B
Closest named color: Leafy Green (#51B73B). oklch(70.7% 0.189 139.3), rgb(89, 187, 59).
Aa
Black text reads best on this color (8.59:1).
About this color
#59BB3B is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.189 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.014 away. Black text reads best on it, at 8.59:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.59:1 |
| White text | 2.44:1 |
Values
| HEX | #59BB3B |
| RGB | rgb(89, 187, 59) |
| HSL | hsl(106, 52%, 48%) |
| OKLCH | oklch(70.7% 0.189 139.3) |
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 #59BB3B | 2.44:1 | Fails | Lc -52.7 | Large or bold text, headings |
| Black text on #59BB3B | 8.59:1 | AAA | Lc 56.3 | Large or bold text, headings |
| #59BB3B text on white | 2.44:1 | Fails | Lc 47.7 | Large or bold text, headings |
| #59BB3B text on black | 8.59:1 | AAA | Lc -54.3 | 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
#F0F8EE
oklch(97% 0.016 139.4)
-
Step 100
100
#DFF0DA
oklch(93.7% 0.034 138.6)
-
Step 200
200
#C3E4BB
oklch(88.4% 0.065 139.6)
-
Step 300
300
#98D389
oklch(80.8% 0.118 139.4)
-
Step 400
400 (this color)
#59BB3B
oklch(70.7% 0.189 139.3)
-
Step 500
500
#38A400
oklch(63.1% 0.2 139.3)
-
Step 600
600
#2E8A00
oklch(55.7% 0.176 139.3)
-
Step 700
700
#257400
oklch(49.1% 0.156 139.3)
-
Step 800
800
#1D5F00
oklch(42.7% 0.135 139.3)
-
Step 900
900
#174F00
oklch(37.6% 0.119 139.2)
-
Step 950
950
#0A3000
oklch(27.2% 0.086 139.4)
#59BB3B 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) | #C0AB29 | 0.125 |
| Deuteranopia (no green cones) | #B4A347 | 0.126 |
| Tritanopia (no blue cones) | #50B5A1 | 0.128 |
| Achromatopsia (no color) | #A6A6A6 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59BB3B
#59BB3B
oklch(70.7% 0.189 139.3)
- #D274E9
#D274E9
oklch(70.7% 0.188 319.5)
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 #59BB3B, closest first.
No curated palette has a color within ΔE 0.04 of #59BB3B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.014
- Frog Green #58BC08 ΔE 0.024
- Shamrock Green #02C14D ΔE 0.034
- Turtle Green #75B84F ΔE 0.036
- Dark Lime Green #7EBD01 ΔE 0.039
- Grass #5CAC2D ΔE 0.041
- Dark Lime #84B701 ΔE 0.041
- Cool Green #33B864 ΔE 0.045
Use #59BB3B 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.