#5BAC33
Closest named color: Grass (#5CAC2D). oklch(66.8% 0.174 137.2), rgb(91, 172, 51).
Aa
Black text reads best on this color (7.39:1).
About this color
#5BAC33 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.174 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.004 away. Black text reads best on it, at 7.39:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.39:1 |
| White text | 2.84:1 |
Values
| HEX | #5BAC33 |
| RGB | rgb(91, 172, 51) |
| HSL | hsl(100, 54%, 44%) |
| OKLCH | oklch(66.8% 0.174 137.2) |
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 #5BAC33 | 2.84:1 | Fails | Lc -59.5 | Large or bold text, headings |
| Black text on #5BAC33 | 7.39:1 | AAA | Lc 49.8 | Large or bold text, headings |
| #5BAC33 text on white | 2.84:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #5BAC33 text on black | 7.39:1 | AAA | Lc -47.6 | 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 500.
-
Step 50
50
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDE
oklch(93.6% 0.025 137.8)
-
Step 200
200
#CBE1C3
oklch(88.5% 0.047 137.3)
-
Step 300
300
#A7CE98
oklch(80.9% 0.085 137.1)
-
Step 400
400
#76B45C
oklch(70.7% 0.136 137.1)
-
Step 500
500 (this color)
#5BAC33
oklch(66.8% 0.174 137.2)
-
Step 600
600
#3A8800
oklch(55.5% 0.169 137.3)
-
Step 700
700
#307300
oklch(49.2% 0.15 137.3)
-
Step 800
800
#265E00
oklch(42.7% 0.13 137.2)
-
Step 900
900
#1F4E01
oklch(37.6% 0.113 137.2)
-
Step 950
950
#132E06
oklch(27% 0.072 137.3)
#5BAC33 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) | #B29E20 | 0.110 |
| Deuteranopia (no green cones) | #A7973E | 0.111 |
| Tritanopia (no blue cones) | #56A694 | 0.122 |
| Achromatopsia (no color) | #999999 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BAC33
#5BAC33
oklch(66.8% 0.174 137.2)
- #BF6DDA
#BF6DDA
oklch(66.8% 0.175 317.2)
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 #5BAC33, closest first.
No curated palette has a color within ΔE 0.04 of #5BAC33.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.004
- Leaf Green #5CA904 ΔE 0.020
- Leaf #71AA34 ΔE 0.023
- Medium Green #39AD48 ΔE 0.026
- Mid Green #50A747 ΔE 0.026
- Leafy Green #51B73B ΔE 0.030
- Dark Pastel Green #56AE57 ΔE 0.032
- Fern #63A950 ΔE 0.032
Use #5BAC33 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.