#1BB35E
Closest named color: Cool Green (#33B864). oklch(67.4% 0.171 151.9), rgb(27, 179, 94).
Aa
Black text reads best on this color (7.65:1).
About this color
#1BB35E is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.171 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.019 away. Black text reads best on it, at 7.65:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 7.65:1 |
| White text | 2.74:1 |
Values
| HEX | #1BB35E |
| RGB | rgb(27, 179, 94) |
| HSL | hsl(146, 74%, 40%) |
| OKLCH | oklch(67.4% 0.171 151.9) |
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 #1BB35E | 2.74:1 | Fails | Lc -57.7 | Large or bold text, headings |
| Black text on #1BB35E | 7.65:1 | AAA | Lc 51.6 | Large or bold text, headings |
| #1BB35E text on white | 2.74:1 | Fails | Lc 52.5 | Large or bold text, headings |
| #1BB35E text on black | 7.65:1 | AAA | Lc -49.4 | 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
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DBF0E0
oklch(93.5% 0.031 152.9)
-
Step 200
200
#BDE5C6
oklch(88.5% 0.059 151.8)
-
Step 300
300
#8BD59E
oklch(81% 0.107 151.5)
-
Step 400
400 (this color)
#1BB35E
oklch(67.4% 0.171 151.9)
-
Step 500
500
#00A553
oklch(63.2% 0.167 151.8)
-
Step 600
600
#008A45
oklch(55.5% 0.146 152)
-
Step 700
700
#007539
oklch(49.2% 0.13 151.8)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#1BB35E 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) | #B3A357 | 0.144 |
| Deuteranopia (no green cones) | #A39764 | 0.143 |
| Tritanopia (no blue cones) | #00B09F | 0.092 |
| Achromatopsia (no color) | #9C9C9C | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BB35E
#1BB35E
oklch(67.4% 0.171 151.9)
- #D169C5
#D169C5
oklch(67.4% 0.172 331.8)
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 #1BB35E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.019
- Shamrock #01B44C ΔE 0.022
- Jade Green #2BAF6A ΔE 0.023
- Medium Green #39AD48 ΔE 0.024
- Seaweed Green #35AD6B ΔE 0.029
- Green Teal #0CB577 ΔE 0.030
- Medium Sea Green #3CB371 ΔE 0.030
- Dark Pastel Green #56AE57 ΔE 0.031
Use #1BB35E 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.