#1BB035
Closest named color: Kelly Green (#02AB2E). oklch(66.1% 0.2 144.8), rgb(27, 176, 53).
Aa
Black text reads best on this color (7.30:1).
About this color
#1BB035 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.200 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.017 away. Black text reads best on it, at 7.30:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.200) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 7.30:1 |
| White text | 2.87:1 |
Values
| HEX | #1BB035 |
| RGB | rgb(27, 176, 53) |
| HSL | hsl(130, 73%, 40%) |
| OKLCH | oklch(66.1% 0.2 144.8) |
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 #1BB035 | 2.87:1 | Fails | Lc -59.6 | Large or bold text, headings |
| Black text on #1BB035 | 7.30:1 | AAA | Lc 49.7 | Large or bold text, headings |
| #1BB035 text on white | 2.87:1 | Fails | Lc 54.3 | Large or bold text, headings |
| #1BB035 text on black | 7.30:1 | AAA | Lc -47.5 | 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 500.
-
Step 50
50
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DFEFDE
oklch(93.6% 0.028 143.7)
-
Step 200
200
#C4E3C3
oklch(88.5% 0.054 144.3)
-
Step 300
300
#99D299
oklch(81% 0.099 144.6)
-
Step 400
400
#59B95F
oklch(70.6% 0.156 144.9)
-
Step 500
500 (this color)
#1BB035
oklch(66.1% 0.2 144.8)
-
Step 600
600
#008C22
oklch(55.6% 0.176 144.8)
-
Step 700
700
#00761B
oklch(49.2% 0.156 144.8)
-
Step 800
800
#006115
oklch(42.8% 0.135 144.8)
-
Step 900
900
#005110
oklch(37.8% 0.119 144.9)
-
Step 950
950
#023008
oklch(27% 0.082 145)
#1BB035 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) | #B39F23 | 0.148 |
| Deuteranopia (no green cones) | #A49441 | 0.149 |
| Tritanopia (no blue cones) | #00AB97 | 0.125 |
| Achromatopsia (no color) | #989898 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BB035
#1BB035
oklch(66.1% 0.2 144.8)
- #CD5ED5
#CD5ED5
oklch(66.2% 0.201 324.9)
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 #1BB035, closest first.
No curated palette has a color within ΔE 0.04 of #1BB035.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.017
- Shamrock #01B44C ΔE 0.020
- Medium Green #39AD48 ΔE 0.026
- Grass #5CAC2D ΔE 0.037
- Leaf Green #5CA904 ΔE 0.038
- Leafy Green #51B73B ΔE 0.038
- Mid Green #50A747 ΔE 0.045
- Shamrock Green #02C14D ΔE 0.048
Use #1BB035 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.