#133F23
Closest named color: Evergreen (#05472A). oklch(32.9% 0.069 152.5), rgb(19, 63, 35).
Aa
White text reads best on this color (11.91:1).
About this color
#133F23 is a dark, muted green. In OKLCH its lightness is 33%, its chroma 0.069 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.026 away. White text reads best on it, at 11.91:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.76:1 |
| White text | 11.91:1 |
Values
| HEX | #133F23 |
| RGB | rgb(19, 63, 35) |
| HSL | hsl(142, 54%, 16%) |
| OKLCH | oklch(32.9% 0.069 152.5) |
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 #133F23 | 11.91:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #133F23 | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #133F23 text on white | 11.91:1 | AAA | Lc 97.1 | Preferred for body text |
| #133F23 text on black | 1.76:1 | Fails | Lc 0.0 | Not readable |
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 900.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFD0
oklch(88.5% 0.029 151.9)
-
Step 300
300
#A8CBB1
oklch(80.9% 0.052 153)
-
Step 400
400
#78B088
oklch(70.7% 0.083 152.9)
-
Step 500
500
#539C6A
oklch(63.2% 0.106 152.5)
-
Step 600
600
#338651
oklch(55.5% 0.115 152.5)
-
Step 700
700
#257242
oklch(49.2% 0.107 152.5)
-
Step 800
800
#215D36
oklch(42.8% 0.09 152.1)
-
Step 900
900 (this color)
#133F23
oklch(32.9% 0.069 152.5)
-
Step 950
950
#142D1C
oklch(27.1% 0.045 152.8)
#133F23 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) | #3F3921 | 0.060 |
| Deuteranopia (no green cones) | #393525 | 0.059 |
| Tritanopia (no blue cones) | #043E38 | 0.036 |
| Achromatopsia (no color) | #373737 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #133F23
#133F23
oklch(32.9% 0.069 152.5)
- #492744
#492744
oklch(32.9% 0.067 332.6)
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 #133F23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.026
- Pakistan Green #283618 ΔE 0.034
- Pine Green #0A481E ΔE 0.034
- Hunter Green #0B4008 ΔE 0.034
- Forrest Green #154406 ΔE 0.040
- British Racing Green #05480D ΔE 0.047
- Dark Olive #373E02 ΔE 0.049
- Racing Green #014600 ΔE 0.051
Use #133F23 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.