#B9BC45
Closest named color: Olive Yellow (#C2B709). oklch(77% 0.14 110.7), rgb(185, 188, 69).
Aa
Black text reads best on this color (10.34:1).
About this color
#B9BC45 is a medium-light, vivid yellow. In OKLCH its lightness is 77%, its chroma 0.140 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Yellow (#C2B709), ΔE 0.026 away. Black text reads best on it, at 10.34:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Olive Yellow (#C2B709) |
| Black text | 10.34:1 |
| White text | 2.03:1 |
Values
| HEX | #B9BC45 |
| RGB | rgb(185, 188, 69) |
| HSL | hsl(62, 47%, 50%) |
| OKLCH | oklch(77% 0.14 110.7) |
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 #B9BC45 | 2.03:1 | Fails | Lc -43.9 | Non-text elements, placeholder text |
| Black text on #B9BC45 | 10.34:1 | AAA | Lc 64.5 | Content text, not long reading |
| #B9BC45 text on white | 2.03:1 | Fails | Lc 39.4 | Non-text elements, placeholder text |
| #B9BC45 text on black | 10.34:1 | AAA | Lc -63.0 | Content text, not long reading |
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 300.
-
Step 50
50
#F6F7E9
oklch(97.2% 0.018 110.1)
-
Step 100
100
#EBEDCE
oklch(93.6% 0.041 110.2)
-
Step 200
200
#DBDEA3
oklch(88.4% 0.077 110.3)
-
Step 300
300 (this color)
#B9BC45
oklch(77% 0.14 110.7)
-
Step 400
400
#A6A800
oklch(70.6% 0.155 110.6)
-
Step 500
500
#8E9000
oklch(63.1% 0.138 110.8)
-
Step 600
600
#777900
oklch(55.6% 0.122 110.9)
-
Step 700
700
#646600
oklch(49.2% 0.108 111.1)
-
Step 800
800
#525300
oklch(42.7% 0.094 110.6)
-
Step 900
900
#444500
oklch(37.7% 0.083 110.7)
-
Step 950
950
#282900
oklch(27.1% 0.06 111.2)
#B9BC45 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) | #CAB436 | 0.029 |
| Deuteranopia (no green cones) | #CBB84D | 0.030 |
| Tritanopia (no blue cones) | #C5B1A3 | 0.124 |
| Achromatopsia (no color) | #B6B6B6 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9BC45
#B9BC45
oklch(77% 0.14 110.7)
- #B4A5FF
#B4A5FF
oklch(76.9% 0.127 290.7)
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 #B9BC45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Yellow #C2B709 ΔE 0.026
- Light Olive Green #A4BE5C ΔE 0.030
- Light Olive #ACBF69 ΔE 0.033
- Mustard #CEB301 ΔE 0.037
- Mustard Yellow #D2BD0A ΔE 0.041
- Tan Green #A9BE70 ΔE 0.041
- Pea #A4BF20 ΔE 0.041
- Muddy Yellow #BFAC05 ΔE 0.042
Use #B9BC45 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.