#31BF3D
Closest named color: Shamrock Green (#02C14D). oklch(70.5% 0.207 144), rgb(49, 191, 61).
Aa
Black text reads best on this color (8.65:1).
About this color
#31BF3D is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.207 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock Green (#02C14D), ΔE 0.014 away. Black text reads best on it, at 8.65:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.207) |
| Temperature | in between |
| Nearest name | Shamrock Green (#02C14D) |
| Black text | 8.65:1 |
| White text | 2.42:1 |
Values
| HEX | #31BF3D |
| RGB | rgb(49, 191, 61) |
| HSL | hsl(125, 59%, 47%) |
| OKLCH | oklch(70.5% 0.207 144) |
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 #31BF3D | 2.42:1 | Fails | Lc -52.2 | Large or bold text, headings |
| Black text on #31BF3D | 8.65:1 | AAA | Lc 56.8 | Large or bold text, headings |
| #31BF3D text on white | 2.42:1 | Fails | Lc 47.2 | Large or bold text, headings |
| #31BF3D text on black | 8.65:1 | AAA | Lc -54.8 | 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
#EFF9EE
oklch(97.2% 0.018 142.8)
-
Step 100
100
#DCF1DB
oklch(93.7% 0.037 144)
-
Step 200
200
#BDE6BC
oklch(88.5% 0.071 144.3)
-
Step 300
300
#8BD68A
oklch(80.8% 0.129 144)
-
Step 400
400 (this color)
#31BF3D
oklch(70.5% 0.207 144)
-
Step 500
500
#00A722
oklch(63.2% 0.205 144)
-
Step 600
600
#008C1B
oklch(55.6% 0.18 144)
-
Step 700
700
#007615
oklch(49.1% 0.159 144)
-
Step 800
800
#00610F
oklch(42.8% 0.139 144)
-
Step 900
900
#00510B
oklch(37.8% 0.122 144)
-
Step 950
950
#003004
oklch(26.8% 0.087 144)
#31BF3D 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) | #C3AD2B | 0.152 |
| Deuteranopia (no green cones) | #B3A249 | 0.151 |
| Tritanopia (no blue cones) | #00BAA5 | 0.130 |
| Achromatopsia (no color) | #A6A6A6 | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31BF3D
#31BF3D
oklch(70.5% 0.207 144)
- #DC6AE7
#DC6AE7
oklch(70.5% 0.207 324)
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 #31BF3D, closest first.
No curated palette has a color within ΔE 0.04 of #31BF3D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock Green #02C14D ΔE 0.014
- Leafy Green #51B73B ΔE 0.026
- Frog Green #58BC08 ΔE 0.027
- Shamrock #01B44C ΔE 0.040
- Lime Green #32CD32 ΔE 0.043
- Algae Green #21C36F ΔE 0.048
- Cool Green #33B864 ΔE 0.049
- Grass #5CAC2D ΔE 0.054
Use #31BF3D 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.